20052975580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{94849}}^1$

素因数の和:94931

約数の個数: 72

約数和(自身を含む): 47469769200

約数和(自身を除く): 27416793620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 961, 1364, 1705, 1922, 3410, 3844, 4805, 6820, 9610, 10571, 19220, 21142, 42284, 52855, 94849, 105710, 189698, 211420, 379396, 474245, 948490, 1043339, 1896980, 2086678, 2940319, 4173356, 5216695, 5880638, 10433390, 11761276, 14701595, 20866780, 29403190, 32343509, 58806380, 64687018, 91149889, 129374036, 161717545, 182299778, 323435090, 364599556, 455749445, 646870180, 911498890, 1002648779, 1822997780, 2005297558, 4010595116, 5013243895, 10026487790, 20052975580]

約数ペア:

[(1, 20052975580), (2, 10026487790), (4, 5013243895), (5, 4010595116), (10, 2005297558), (11, 1822997780), (20, 1002648779), (22, 911498890), (31, 646870180), (44, 455749445), (55, 364599556), (62, 323435090), (110, 182299778), (124, 161717545), (155, 129374036), (220, 91149889), (310, 64687018), (341, 58806380), (620, 32343509), (682, 29403190), (961, 20866780), (1364, 14701595), (1705, 11761276), (1922, 10433390), (3410, 5880638), (3844, 5216695), (4805, 4173356), (6820, 2940319), (9610, 2086678), (10571, 1896980), (19220, 1043339), (21142, 948490), (42284, 474245), (52855, 379396), (94849, 211420), (105710, 189698)]