20172507930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3156887}}^1$

素因数の和:3156971

約数の個数: 48

約数和(自身を含む): 53187249024

約数和(自身を除く): 33014741094

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 3195, 6390, 3156887, 6313774, 9470661, 15784435, 18941322, 28411983, 31568870, 47353305, 56823966, 94706610, 142059915, 224138977, 284119830, 448277954, 672416931, 1120694885, 1344833862, 2017250793, 2241389770, 3362084655, 4034501586, 6724169310, 10086253965, 20172507930]

約数ペア:

[(1, 20172507930), (2, 10086253965), (3, 6724169310), (5, 4034501586), (6, 3362084655), (9, 2241389770), (10, 2017250793), (15, 1344833862), (18, 1120694885), (30, 672416931), (45, 448277954), (71, 284119830), (90, 224138977), (142, 142059915), (213, 94706610), (355, 56823966), (426, 47353305), (639, 31568870), (710, 28411983), (1065, 18941322), (1278, 15784435), (2130, 9470661), (3195, 6313774), (6390, 3156887)]