20214997575

素因数分解:

$3^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{1223}}^1\times {\mathrm{3019}}^1$

素因数の和:4328

約数の個数: 48

約数和(自身を含む): 33918900480

約数和(自身を除く): 13703902905

約数列:

[1, 3, 5, 15, 25, 73, 75, 219, 365, 1095, 1223, 1825, 3019, 3669, 5475, 6115, 9057, 15095, 18345, 30575, 45285, 75475, 89279, 91725, 220387, 226425, 267837, 446395, 661161, 1101935, 1339185, 2231975, 3305805, 3692237, 5509675, 6695925, 11076711, 16529025, 18461185, 55383555, 92305925, 269533301, 276917775, 808599903, 1347666505, 4042999515, 6738332525, 20214997575]

約数ペア:

[(1, 20214997575), (3, 6738332525), (5, 4042999515), (15, 1347666505), (25, 808599903), (73, 276917775), (75, 269533301), (219, 92305925), (365, 55383555), (1095, 18461185), (1223, 16529025), (1825, 11076711), (3019, 6695925), (3669, 5509675), (5475, 3692237), (6115, 3305805), (9057, 2231975), (15095, 1339185), (18345, 1101935), (30575, 661161), (45285, 446395), (75475, 267837), (89279, 226425), (91725, 220387)]