20408830845

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1223}}^1\times {\mathrm{85577}}^1$

素因数の和:86821

約数の個数: 32

約数和(自身を含む): 35195150592

約数和(自身を除く): 14786319747

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 1223, 3669, 6115, 15899, 18345, 47697, 79495, 85577, 238485, 256731, 427885, 1112501, 1283655, 3337503, 5562505, 16687515, 104660671, 313982013, 523303355, 1360588723, 1569910065, 4081766169, 6802943615, 20408830845]

約数ペア:

[(1, 20408830845), (3, 6802943615), (5, 4081766169), (13, 1569910065), (15, 1360588723), (39, 523303355), (65, 313982013), (195, 104660671), (1223, 16687515), (3669, 5562505), (6115, 3337503), (15899, 1283655), (18345, 1112501), (47697, 427885), (79495, 256731), (85577, 238485)]