20228989825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{12611}}^1$

素因数の和:12958

約数の個数: 48

約数和(自身を含む): 28900650240

約数和(自身を除く): 8671660415

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 307, 475, 1045, 1535, 3377, 5225, 5833, 7675, 12611, 16885, 29165, 63055, 64163, 84425, 138721, 145825, 239609, 315275, 320815, 693605, 1198045, 1604075, 2635699, 3468025, 3871577, 5990225, 13178495, 19357885, 42587347, 65892475, 73559963, 96789425, 212936735, 367799815, 809159593, 1064683675, 1838999075, 4045797965, 20228989825]

約数ペア:

[(1, 20228989825), (5, 4045797965), (11, 1838999075), (19, 1064683675), (25, 809159593), (55, 367799815), (95, 212936735), (209, 96789425), (275, 73559963), (307, 65892475), (475, 42587347), (1045, 19357885), (1535, 13178495), (3377, 5990225), (5225, 3871577), (5833, 3468025), (7675, 2635699), (12611, 1604075), (16885, 1198045), (29165, 693605), (63055, 320815), (64163, 315275), (84425, 239609), (138721, 145825)]