20178582580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{881}}^1\times {\mathrm{88093}}^1$

素因数の和:88996

約数の個数: 48

約数和(自身を含む): 45686957904

約数和(自身を除く): 25508375324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 881, 1762, 3524, 4405, 8810, 11453, 17620, 22906, 45812, 57265, 88093, 114530, 176186, 229060, 352372, 440465, 880930, 1145209, 1761860, 2290418, 4580836, 5726045, 11452090, 22904180, 77609933, 155219866, 310439732, 388049665, 776099330, 1008929129, 1552198660, 2017858258, 4035716516, 5044645645, 10089291290, 20178582580]

約数ペア:

[(1, 20178582580), (2, 10089291290), (4, 5044645645), (5, 4035716516), (10, 2017858258), (13, 1552198660), (20, 1008929129), (26, 776099330), (52, 388049665), (65, 310439732), (130, 155219866), (260, 77609933), (881, 22904180), (1762, 11452090), (3524, 5726045), (4405, 4580836), (8810, 2290418), (11453, 1761860), (17620, 1145209), (22906, 880930), (45812, 440465), (57265, 352372), (88093, 229060), (114530, 176186)]