20754810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:260

約数の個数: 96

約数和(自身を含む): 57328128

約数和(自身を除く): 36573318

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 43, 45, 62, 86, 90, 93, 129, 155, 173, 186, 215, 258, 279, 310, 346, 387, 430, 465, 519, 558, 645, 774, 865, 930, 1038, 1290, 1333, 1395, 1557, 1730, 1935, 2595, 2666, 2790, 3114, 3870, 3999, 5190, 5363, 6665, 7439, 7785, 7998, 10726, 11997, 13330, 14878, 15570, 16089, 19995, 22317, 23994, 26815, 32178, 37195, 39990, 44634, 48267, 53630, 59985, 66951, 74390, 80445, 96534, 111585, 119970, 133902, 160890, 223170, 230609, 241335, 334755, 461218, 482670, 669510, 691827, 1153045, 1383654, 2075481, 2306090, 3459135, 4150962, 6918270, 10377405, 20754810]

約数ペア:

[(1, 20754810), (2, 10377405), (3, 6918270), (5, 4150962), (6, 3459135), (9, 2306090), (10, 2075481), (15, 1383654), (18, 1153045), (30, 691827), (31, 669510), (43, 482670), (45, 461218), (62, 334755), (86, 241335), (90, 230609), (93, 223170), (129, 160890), (155, 133902), (173, 119970), (186, 111585), (215, 96534), (258, 80445), (279, 74390), (310, 66951), (346, 59985), (387, 53630), (430, 48267), (465, 44634), (519, 39990), (558, 37195), (645, 32178), (774, 26815), (865, 23994), (930, 22317), (1038, 19995), (1290, 16089), (1333, 15570), (1395, 14878), (1557, 13330), (1730, 11997), (1935, 10726), (2595, 7998), (2666, 7785), (2790, 7439), (3114, 6665), (3870, 5363), (3999, 5190)]