20599280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{683}}^1$

素因数の和:738

約数の個数: 80

約数和(自身を含む): 53434080

約数和(自身を除く): 32834800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 40, 52, 58, 65, 80, 104, 116, 130, 145, 208, 232, 260, 290, 377, 464, 520, 580, 683, 754, 1040, 1160, 1366, 1508, 1885, 2320, 2732, 3016, 3415, 3770, 5464, 6032, 6830, 7540, 8879, 10928, 13660, 15080, 17758, 19807, 27320, 30160, 35516, 39614, 44395, 54640, 71032, 79228, 88790, 99035, 142064, 158456, 177580, 198070, 257491, 316912, 355160, 396140, 514982, 710320, 792280, 1029964, 1287455, 1584560, 2059928, 2574910, 4119856, 5149820, 10299640, 20599280]

約数ペア:

[(1, 20599280), (2, 10299640), (4, 5149820), (5, 4119856), (8, 2574910), (10, 2059928), (13, 1584560), (16, 1287455), (20, 1029964), (26, 792280), (29, 710320), (40, 514982), (52, 396140), (58, 355160), (65, 316912), (80, 257491), (104, 198070), (116, 177580), (130, 158456), (145, 142064), (208, 99035), (232, 88790), (260, 79228), (290, 71032), (377, 54640), (464, 44395), (520, 39614), (580, 35516), (683, 30160), (754, 27320), (1040, 19807), (1160, 17758), (1366, 15080), (1508, 13660), (1885, 10928), (2320, 8879), (2732, 7540), (3016, 6830), (3415, 6032), (3770, 5464)]