20156430

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1811}}^1$

素因数の和:1881

約数の個数: 64

約数和(自身を含む): 56360448

約数和(自身を除く): 36204018

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 53, 70, 105, 106, 159, 210, 265, 318, 371, 530, 742, 795, 1113, 1590, 1811, 1855, 2226, 3622, 3710, 5433, 5565, 9055, 10866, 11130, 12677, 18110, 25354, 27165, 38031, 54330, 63385, 76062, 95983, 126770, 190155, 191966, 287949, 380310, 479915, 575898, 671881, 959830, 1343762, 1439745, 2015643, 2879490, 3359405, 4031286, 6718810, 10078215, 20156430]

約数ペア:

[(1, 20156430), (2, 10078215), (3, 6718810), (5, 4031286), (6, 3359405), (7, 2879490), (10, 2015643), (14, 1439745), (15, 1343762), (21, 959830), (30, 671881), (35, 575898), (42, 479915), (53, 380310), (70, 287949), (105, 191966), (106, 190155), (159, 126770), (210, 95983), (265, 76062), (318, 63385), (371, 54330), (530, 38031), (742, 27165), (795, 25354), (1113, 18110), (1590, 12677), (1811, 11130), (1855, 10866), (2226, 9055), (3622, 5565), (3710, 5433)]