20921742816

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1\times {\mathrm{1399}}^1$

素因数の和:1969

約数の個数: 192

約数和(自身を含む): 61878297600

約数和(自身を除く): 40956554784

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 32, 39, 46, 48, 52, 69, 78, 92, 96, 104, 138, 156, 184, 208, 276, 299, 312, 368, 416, 521, 552, 598, 624, 736, 897, 1042, 1104, 1196, 1248, 1399, 1563, 1794, 2084, 2208, 2392, 2798, 3126, 3588, 4168, 4197, 4784, 5596, 6252, 6773, 7176, 8336, 8394, 9568, 11192, 11983, 12504, 13546, 14352, 16672, 16788, 18187, 20319, 22384, 23966, 25008, 27092, 28704, 32177, 33576, 35949, 36374, 40638, 44768, 47932, 50016, 54184, 54561, 64354, 67152, 71898, 72748, 81276, 95864, 96531, 108368, 109122, 128708, 134304, 143796, 145496, 155779, 162552, 191728, 193062, 216736, 218244, 257416, 287592, 290992, 311558, 325104, 383456, 386124, 418301, 436488, 467337, 514832, 575184, 581984, 623116, 650208, 728879, 772248, 836602, 872976, 934674, 1029664, 1150368, 1246232, 1254903, 1457758, 1544496, 1673204, 1745952, 1869348, 2186637, 2492464, 2509806, 2915516, 3088992, 3346408, 3738696, 4373274, 4984928, 5019612, 5831032, 6692816, 7477392, 8746548, 9475427, 10039224, 11662064, 13385632, 14954784, 16764217, 17493096, 18950854, 20078448, 23324128, 28426281, 33528434, 34986192, 37901708, 40156896, 50292651, 56852562, 67056868, 69972384, 75803416, 100585302, 113705124, 134113736, 151606832, 201170604, 217934821, 227410248, 268227472, 303213664, 402341208, 435869642, 454820496, 536454944, 653804463, 804682416, 871739284, 909640992, 1307608926, 1609364832, 1743478568, 2615217852, 3486957136, 5230435704, 6973914272, 10460871408, 20921742816]

約数ペア:

[(1, 20921742816), (2, 10460871408), (3, 6973914272), (4, 5230435704), (6, 3486957136), (8, 2615217852), (12, 1743478568), (13, 1609364832), (16, 1307608926), (23, 909640992), (24, 871739284), (26, 804682416), (32, 653804463), (39, 536454944), (46, 454820496), (48, 435869642), (52, 402341208), (69, 303213664), (78, 268227472), (92, 227410248), (96, 217934821), (104, 201170604), (138, 151606832), (156, 134113736), (184, 113705124), (208, 100585302), (276, 75803416), (299, 69972384), (312, 67056868), (368, 56852562), (416, 50292651), (521, 40156896), (552, 37901708), (598, 34986192), (624, 33528434), (736, 28426281), (897, 23324128), (1042, 20078448), (1104, 18950854), (1196, 17493096), (1248, 16764217), (1399, 14954784), (1563, 13385632), (1794, 11662064), (2084, 10039224), (2208, 9475427), (2392, 8746548), (2798, 7477392), (3126, 6692816), (3588, 5831032), (4168, 5019612), (4197, 4984928), (4784, 4373274), (5596, 3738696), (6252, 3346408), (6773, 3088992), (7176, 2915516), (8336, 2509806), (8394, 2492464), (9568, 2186637), (11192, 1869348), (11983, 1745952), (12504, 1673204), (13546, 1544496), (14352, 1457758), (16672, 1254903), (16788, 1246232), (18187, 1150368), (20319, 1029664), (22384, 934674), (23966, 872976), (25008, 836602), (27092, 772248), (28704, 728879), (32177, 650208), (33576, 623116), (35949, 581984), (36374, 575184), (40638, 514832), (44768, 467337), (47932, 436488), (50016, 418301), (54184, 386124), (54561, 383456), (64354, 325104), (67152, 311558), (71898, 290992), (72748, 287592), (81276, 257416), (95864, 218244), (96531, 216736), (108368, 193062), (109122, 191728), (128708, 162552), (134304, 155779), (143796, 145496)]