20121448204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{445283}}^1$

素因数の和:445390

約数の個数: 48

約数和(自身を含む): 41892318720

約数和(自身を除く): 21770870516

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 79, 143, 158, 286, 316, 572, 869, 1027, 1738, 2054, 3476, 4108, 11297, 22594, 45188, 445283, 890566, 1781132, 4898113, 5788679, 9796226, 11577358, 19592452, 23154716, 35177357, 63675469, 70354714, 127350938, 140709428, 254701876, 386950927, 457305641, 773901854, 914611282, 1547803708, 1829222564, 5030362051, 10060724102, 20121448204]

約数ペア:

[(1, 20121448204), (2, 10060724102), (4, 5030362051), (11, 1829222564), (13, 1547803708), (22, 914611282), (26, 773901854), (44, 457305641), (52, 386950927), (79, 254701876), (143, 140709428), (158, 127350938), (286, 70354714), (316, 63675469), (572, 35177357), (869, 23154716), (1027, 19592452), (1738, 11577358), (2054, 9796226), (3476, 5788679), (4108, 4898113), (11297, 1781132), (22594, 890566), (45188, 445283)]