20248580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2969}}^1$

素因数の和:3020

約数の個数: 48

約数和(自身を含む): 47900160

約数和(自身を除く): 27651580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 2969, 3410, 5938, 6820, 11876, 14845, 29690, 32659, 59380, 65318, 92039, 130636, 163295, 184078, 326590, 368156, 460195, 653180, 920390, 1012429, 1840780, 2024858, 4049716, 5062145, 10124290, 20248580]

約数ペア:

[(1, 20248580), (2, 10124290), (4, 5062145), (5, 4049716), (10, 2024858), (11, 1840780), (20, 1012429), (22, 920390), (31, 653180), (44, 460195), (55, 368156), (62, 326590), (110, 184078), (124, 163295), (155, 130636), (220, 92039), (310, 65318), (341, 59380), (620, 32659), (682, 29690), (1364, 14845), (1705, 11876), (2969, 6820), (3410, 5938)]