20121974873

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{13339}}^1$

素因数の和:13518

約数の個数: 48

約数和(自身を含む): 27422344320

約数和(自身を除く): 7300369447

約数列:

[1, 7, 11, 13, 77, 91, 121, 137, 143, 847, 959, 1001, 1507, 1573, 1781, 10549, 11011, 12467, 13339, 16577, 19591, 93373, 116039, 137137, 146729, 173407, 215501, 1027103, 1213849, 1508507, 1614019, 1827443, 1907477, 11298133, 12792101, 13352339, 20101873, 20982247, 23756759, 140713111, 146875729, 166297313, 221120603, 261324349, 1547844221, 1829270443, 2874567839, 20121974873]

約数ペア:

[(1, 20121974873), (7, 2874567839), (11, 1829270443), (13, 1547844221), (77, 261324349), (91, 221120603), (121, 166297313), (137, 146875729), (143, 140713111), (847, 23756759), (959, 20982247), (1001, 20101873), (1507, 13352339), (1573, 12792101), (1781, 11298133), (10549, 1907477), (11011, 1827443), (12467, 1614019), (13339, 1508507), (16577, 1213849), (19591, 1027103), (93373, 215501), (116039, 173407), (137137, 146729)]