20149710

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{419}}^1$

素因数の和:665

約数の個数: 64

約数和(自身を含む): 55641600

約数和(自身を除く): 35491890

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 229, 419, 458, 687, 838, 1145, 1257, 1374, 1603, 2095, 2290, 2514, 2933, 3206, 3435, 4190, 4809, 5866, 6285, 6870, 8015, 8799, 9618, 12570, 14665, 16030, 17598, 24045, 29330, 43995, 48090, 87990, 95951, 191902, 287853, 479755, 575706, 671657, 959510, 1343314, 1439265, 2014971, 2878530, 3358285, 4029942, 6716570, 10074855, 20149710]

約数ペア:

[(1, 20149710), (2, 10074855), (3, 6716570), (5, 4029942), (6, 3358285), (7, 2878530), (10, 2014971), (14, 1439265), (15, 1343314), (21, 959510), (30, 671657), (35, 575706), (42, 479755), (70, 287853), (105, 191902), (210, 95951), (229, 87990), (419, 48090), (458, 43995), (687, 29330), (838, 24045), (1145, 17598), (1257, 16030), (1374, 14665), (1603, 12570), (2095, 9618), (2290, 8799), (2514, 8015), (2933, 6870), (3206, 6285), (3435, 5866), (4190, 4809)]