20899681446

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{599}}^1\times {\mathrm{1901}}^1$

素因数の和:2554

約数の個数: 128

約数和(自身を含む): 52586496000

約数和(自身を除く): 31686814554

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 23, 38, 42, 46, 57, 69, 114, 133, 138, 161, 266, 322, 399, 437, 483, 599, 798, 874, 966, 1198, 1311, 1797, 1901, 2622, 3059, 3594, 3802, 4193, 5703, 6118, 8386, 9177, 11381, 11406, 12579, 13307, 13777, 18354, 22762, 25158, 26614, 27554, 34143, 36119, 39921, 41331, 43723, 68286, 72238, 79667, 79842, 82662, 87446, 96439, 108357, 131169, 159334, 192878, 216714, 239001, 252833, 261763, 262338, 289317, 306061, 478002, 505666, 523526, 578634, 612122, 758499, 785289, 830737, 918183, 1138699, 1516998, 1570578, 1661474, 1832341, 1836366, 2277398, 2492211, 3416097, 3664682, 4984422, 5497023, 5815159, 6832194, 7970893, 10994046, 11630318, 15941786, 17445477, 21635281, 23912679, 26190077, 34890954, 43270562, 47825358, 52380154, 64905843, 78570231, 129811686, 151446967, 157140462, 183330539, 302893934, 366661078, 454340901, 497611463, 549991617, 908681802, 995222926, 1099983234, 1492834389, 2985668778, 3483280241, 6966560482, 10449840723, 20899681446]

約数ペア:

[(1, 20899681446), (2, 10449840723), (3, 6966560482), (6, 3483280241), (7, 2985668778), (14, 1492834389), (19, 1099983234), (21, 995222926), (23, 908681802), (38, 549991617), (42, 497611463), (46, 454340901), (57, 366661078), (69, 302893934), (114, 183330539), (133, 157140462), (138, 151446967), (161, 129811686), (266, 78570231), (322, 64905843), (399, 52380154), (437, 47825358), (483, 43270562), (599, 34890954), (798, 26190077), (874, 23912679), (966, 21635281), (1198, 17445477), (1311, 15941786), (1797, 11630318), (1901, 10994046), (2622, 7970893), (3059, 6832194), (3594, 5815159), (3802, 5497023), (4193, 4984422), (5703, 3664682), (6118, 3416097), (8386, 2492211), (9177, 2277398), (11381, 1836366), (11406, 1832341), (12579, 1661474), (13307, 1570578), (13777, 1516998), (18354, 1138699), (22762, 918183), (25158, 830737), (26614, 785289), (27554, 758499), (34143, 612122), (36119, 578634), (39921, 523526), (41331, 505666), (43723, 478002), (68286, 306061), (72238, 289317), (79667, 262338), (79842, 261763), (82662, 252833), (87446, 239001), (96439, 216714), (108357, 192878), (131169, 159334)]