20802456590

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{661}}^1\times {\mathrm{1301}}^1$

素因数の和:2069

約数の個数: 64

約数和(自身を含む): 39096872640

約数和(自身を除く): 18294416050

約数列:

[1, 2, 5, 10, 41, 59, 82, 118, 205, 295, 410, 590, 661, 1301, 1322, 2419, 2602, 3305, 4838, 6505, 6610, 12095, 13010, 24190, 27101, 38999, 53341, 54202, 76759, 77998, 106682, 135505, 153518, 194995, 266705, 271010, 383795, 389990, 533410, 767590, 859961, 1598959, 1719922, 3147119, 3197918, 4299805, 6294238, 7994795, 8599610, 15735595, 15989590, 31471190, 35258401, 50737699, 70516802, 101475398, 176292005, 253688495, 352584010, 507376990, 2080245659, 4160491318, 10401228295, 20802456590]

約数ペア:

[(1, 20802456590), (2, 10401228295), (5, 4160491318), (10, 2080245659), (41, 507376990), (59, 352584010), (82, 253688495), (118, 176292005), (205, 101475398), (295, 70516802), (410, 50737699), (590, 35258401), (661, 31471190), (1301, 15989590), (1322, 15735595), (2419, 8599610), (2602, 7994795), (3305, 6294238), (4838, 4299805), (6505, 3197918), (6610, 3147119), (12095, 1719922), (13010, 1598959), (24190, 859961), (27101, 767590), (38999, 533410), (53341, 389990), (54202, 383795), (76759, 271010), (77998, 266705), (106682, 194995), (135505, 153518)]