20199786272

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{49669}}^1$

素因数の和:49929

約数の個数: 48

約数和(自身を含む): 40554561600

約数和(自身を除く): 20354775328

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 179, 284, 358, 568, 716, 1136, 1432, 2272, 2864, 5728, 12709, 25418, 49669, 50836, 99338, 101672, 198676, 203344, 397352, 406688, 794704, 1589408, 3526499, 7052998, 8890751, 14105996, 17781502, 28211992, 35563004, 56423984, 71126008, 112847968, 142252016, 284504032, 631243321, 1262486642, 2524973284, 5049946568, 10099893136, 20199786272]

約数ペア:

[(1, 20199786272), (2, 10099893136), (4, 5049946568), (8, 2524973284), (16, 1262486642), (32, 631243321), (71, 284504032), (142, 142252016), (179, 112847968), (284, 71126008), (358, 56423984), (568, 35563004), (716, 28211992), (1136, 17781502), (1432, 14105996), (2272, 8890751), (2864, 7052998), (5728, 3526499), (12709, 1589408), (25418, 794704), (49669, 406688), (50836, 397352), (99338, 203344), (101672, 198676)]