20490540378

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{727079}}^1$

素因数の和:727163

約数の個数: 64

約数和(自身を含む): 51930961920

約数和(自身を除く): 31440421542

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 61, 66, 77, 122, 154, 183, 231, 366, 427, 462, 671, 854, 1281, 1342, 2013, 2562, 4026, 4697, 9394, 14091, 28182, 727079, 1454158, 2181237, 4362474, 5089553, 7997869, 10179106, 15268659, 15995738, 23993607, 30537318, 44351819, 47987214, 55985083, 88703638, 111970166, 133055457, 167955249, 266110914, 310462733, 335910498, 487870009, 620925466, 931388199, 975740018, 1463610027, 1862776398, 2927220054, 3415090063, 6830180126, 10245270189, 20490540378]

約数ペア:

[(1, 20490540378), (2, 10245270189), (3, 6830180126), (6, 3415090063), (7, 2927220054), (11, 1862776398), (14, 1463610027), (21, 975740018), (22, 931388199), (33, 620925466), (42, 487870009), (61, 335910498), (66, 310462733), (77, 266110914), (122, 167955249), (154, 133055457), (183, 111970166), (231, 88703638), (366, 55985083), (427, 47987214), (462, 44351819), (671, 30537318), (854, 23993607), (1281, 15995738), (1342, 15268659), (2013, 10179106), (2562, 7997869), (4026, 5089553), (4697, 4362474), (9394, 2181237), (14091, 1454158), (28182, 727079)]