20095980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{4999}}^1$

素因数の和:5078

約数の個数: 48

約数和(自身を含む): 57120000

約数和(自身を除く): 37024020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 670, 804, 1005, 1340, 2010, 4020, 4999, 9998, 14997, 19996, 24995, 29994, 49990, 59988, 74985, 99980, 149970, 299940, 334933, 669866, 1004799, 1339732, 1674665, 2009598, 3349330, 4019196, 5023995, 6698660, 10047990, 20095980]

約数ペア:

[(1, 20095980), (2, 10047990), (3, 6698660), (4, 5023995), (5, 4019196), (6, 3349330), (10, 2009598), (12, 1674665), (15, 1339732), (20, 1004799), (30, 669866), (60, 334933), (67, 299940), (134, 149970), (201, 99980), (268, 74985), (335, 59988), (402, 49990), (670, 29994), (804, 24995), (1005, 19996), (1340, 14997), (2010, 9998), (4020, 4999)]