20583160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1721}}^1$

素因数の和:1768

約数の個数: 64

約数和(自身を含む): 52073280

約数和(自身を除く): 31490120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 598, 920, 1196, 1495, 1721, 2392, 2990, 3442, 5980, 6884, 8605, 11960, 13768, 17210, 22373, 34420, 39583, 44746, 68840, 79166, 89492, 111865, 158332, 178984, 197915, 223730, 316664, 395830, 447460, 514579, 791660, 894920, 1029158, 1583320, 2058316, 2572895, 4116632, 5145790, 10291580, 20583160]

約数ペア:

[(1, 20583160), (2, 10291580), (4, 5145790), (5, 4116632), (8, 2572895), (10, 2058316), (13, 1583320), (20, 1029158), (23, 894920), (26, 791660), (40, 514579), (46, 447460), (52, 395830), (65, 316664), (92, 223730), (104, 197915), (115, 178984), (130, 158332), (184, 111865), (230, 89492), (260, 79166), (299, 68840), (460, 44746), (520, 39583), (598, 34420), (920, 22373), (1196, 17210), (1495, 13768), (1721, 11960), (2392, 8605), (2990, 6884), (3442, 5980)]