20162790

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1409}}^1$

素因数の和:1478

約数の個数: 64

約数和(自身を含む): 54820800

約数和(自身を除く): 34658010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 53, 54, 90, 106, 135, 159, 265, 270, 318, 477, 530, 795, 954, 1409, 1431, 1590, 2385, 2818, 2862, 4227, 4770, 7045, 7155, 8454, 12681, 14090, 14310, 21135, 25362, 38043, 42270, 63405, 74677, 76086, 126810, 149354, 190215, 224031, 373385, 380430, 448062, 672093, 746770, 1120155, 1344186, 2016279, 2240310, 3360465, 4032558, 6720930, 10081395, 20162790]

約数ペア:

[(1, 20162790), (2, 10081395), (3, 6720930), (5, 4032558), (6, 3360465), (9, 2240310), (10, 2016279), (15, 1344186), (18, 1120155), (27, 746770), (30, 672093), (45, 448062), (53, 380430), (54, 373385), (90, 224031), (106, 190215), (135, 149354), (159, 126810), (265, 76086), (270, 74677), (318, 63405), (477, 42270), (530, 38043), (795, 25362), (954, 21135), (1409, 14310), (1431, 14090), (1590, 12681), (2385, 8454), (2818, 7155), (2862, 7045), (4227, 4770)]