20926620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1$

素因数の和:313

約数の個数: 192

約数和(自身を含む): 76769280

約数和(自身を除く): 55842660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 27, 30, 33, 36, 39, 44, 45, 52, 54, 55, 60, 65, 66, 78, 90, 99, 108, 110, 117, 130, 132, 135, 143, 156, 165, 180, 195, 198, 220, 234, 260, 270, 271, 286, 297, 330, 351, 390, 396, 429, 468, 495, 540, 542, 572, 585, 594, 660, 702, 715, 780, 813, 858, 990, 1084, 1170, 1188, 1287, 1355, 1404, 1430, 1485, 1626, 1716, 1755, 1980, 2145, 2340, 2439, 2574, 2710, 2860, 2970, 2981, 3252, 3510, 3523, 3861, 4065, 4290, 4878, 5148, 5420, 5940, 5962, 6435, 7020, 7046, 7317, 7722, 8130, 8580, 8943, 9756, 10569, 11924, 12195, 12870, 14092, 14634, 14905, 15444, 16260, 17615, 17886, 19305, 21138, 24390, 25740, 26829, 29268, 29810, 31707, 35230, 35772, 36585, 38610, 38753, 42276, 44715, 48780, 52845, 53658, 59620, 63414, 70460, 73170, 77220, 77506, 80487, 89430, 95121, 105690, 107316, 116259, 126828, 134145, 146340, 155012, 158535, 160974, 178860, 190242, 193765, 211380, 232518, 268290, 317070, 321948, 348777, 380484, 387530, 402435, 465036, 475605, 536580, 581295, 634140, 697554, 775060, 804870, 951210, 1046331, 1162590, 1395108, 1609740, 1743885, 1902420, 2092662, 2325180, 3487770, 4185324, 5231655, 6975540, 10463310, 20926620]

約数ペア:

[(1, 20926620), (2, 10463310), (3, 6975540), (4, 5231655), (5, 4185324), (6, 3487770), (9, 2325180), (10, 2092662), (11, 1902420), (12, 1743885), (13, 1609740), (15, 1395108), (18, 1162590), (20, 1046331), (22, 951210), (26, 804870), (27, 775060), (30, 697554), (33, 634140), (36, 581295), (39, 536580), (44, 475605), (45, 465036), (52, 402435), (54, 387530), (55, 380484), (60, 348777), (65, 321948), (66, 317070), (78, 268290), (90, 232518), (99, 211380), (108, 193765), (110, 190242), (117, 178860), (130, 160974), (132, 158535), (135, 155012), (143, 146340), (156, 134145), (165, 126828), (180, 116259), (195, 107316), (198, 105690), (220, 95121), (234, 89430), (260, 80487), (270, 77506), (271, 77220), (286, 73170), (297, 70460), (330, 63414), (351, 59620), (390, 53658), (396, 52845), (429, 48780), (468, 44715), (495, 42276), (540, 38753), (542, 38610), (572, 36585), (585, 35772), (594, 35230), (660, 31707), (702, 29810), (715, 29268), (780, 26829), (813, 25740), (858, 24390), (990, 21138), (1084, 19305), (1170, 17886), (1188, 17615), (1287, 16260), (1355, 15444), (1404, 14905), (1430, 14634), (1485, 14092), (1626, 12870), (1716, 12195), (1755, 11924), (1980, 10569), (2145, 9756), (2340, 8943), (2439, 8580), (2574, 8130), (2710, 7722), (2860, 7317), (2970, 7046), (2981, 7020), (3252, 6435), (3510, 5962), (3523, 5940), (3861, 5420), (4065, 5148), (4290, 4878)]