20899494

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{887}}^1$

素因数の和:930

約数の個数: 96

約数和(自身を含む): 59844096

約数和(自身を除く): 38944602

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 17, 18, 21, 22, 33, 34, 42, 51, 63, 66, 77, 99, 102, 119, 126, 153, 154, 187, 198, 231, 238, 306, 357, 374, 462, 561, 693, 714, 887, 1071, 1122, 1309, 1386, 1683, 1774, 2142, 2618, 2661, 3366, 3927, 5322, 6209, 7854, 7983, 9757, 11781, 12418, 15079, 15966, 18627, 19514, 23562, 29271, 30158, 37254, 45237, 55881, 58542, 68299, 87813, 90474, 105553, 111762, 135711, 136598, 165869, 175626, 204897, 211106, 271422, 316659, 331738, 409794, 497607, 614691, 633318, 949977, 995214, 1161083, 1229382, 1492821, 1899954, 2322166, 2985642, 3483249, 6966498, 10449747, 20899494]

約数ペア:

[(1, 20899494), (2, 10449747), (3, 6966498), (6, 3483249), (7, 2985642), (9, 2322166), (11, 1899954), (14, 1492821), (17, 1229382), (18, 1161083), (21, 995214), (22, 949977), (33, 633318), (34, 614691), (42, 497607), (51, 409794), (63, 331738), (66, 316659), (77, 271422), (99, 211106), (102, 204897), (119, 175626), (126, 165869), (153, 136598), (154, 135711), (187, 111762), (198, 105553), (231, 90474), (238, 87813), (306, 68299), (357, 58542), (374, 55881), (462, 45237), (561, 37254), (693, 30158), (714, 29271), (887, 23562), (1071, 19514), (1122, 18627), (1309, 15966), (1386, 15079), (1683, 12418), (1774, 11781), (2142, 9757), (2618, 7983), (2661, 7854), (3366, 6209), (3927, 5322)]