20810430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2161}}^1$

素因数の和:2281

約数の個数: 48

約数和(自身を含む): 54638064

約数和(自身を除く): 33827634

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 107, 214, 321, 535, 642, 963, 1070, 1605, 1926, 2161, 3210, 4322, 4815, 6483, 9630, 10805, 12966, 19449, 21610, 32415, 38898, 64830, 97245, 194490, 231227, 462454, 693681, 1156135, 1387362, 2081043, 2312270, 3468405, 4162086, 6936810, 10405215, 20810430]

約数ペア:

[(1, 20810430), (2, 10405215), (3, 6936810), (5, 4162086), (6, 3468405), (9, 2312270), (10, 2081043), (15, 1387362), (18, 1156135), (30, 693681), (45, 462454), (90, 231227), (107, 194490), (214, 97245), (321, 64830), (535, 38898), (642, 32415), (963, 21610), (1070, 19449), (1605, 12966), (1926, 10805), (2161, 9630), (3210, 6483), (4322, 4815)]