20143180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{613}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 44561664

約数和(自身を除く): 24418484

約数列:

[1, 2, 4, 5, 10, 20, 31, 53, 62, 106, 124, 155, 212, 265, 310, 530, 613, 620, 1060, 1226, 1643, 2452, 3065, 3286, 6130, 6572, 8215, 12260, 16430, 19003, 32489, 32860, 38006, 64978, 76012, 95015, 129956, 162445, 190030, 324890, 380060, 649780, 1007159, 2014318, 4028636, 5035795, 10071590, 20143180]

約数ペア:

[(1, 20143180), (2, 10071590), (4, 5035795), (5, 4028636), (10, 2014318), (20, 1007159), (31, 649780), (53, 380060), (62, 324890), (106, 190030), (124, 162445), (155, 129956), (212, 95015), (265, 76012), (310, 64978), (530, 38006), (613, 32860), (620, 32489), (1060, 19003), (1226, 16430), (1643, 12260), (2452, 8215), (3065, 6572), (3286, 6130)]