20178331210

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2293}}^1\times {\mathrm{28387}}^1$

素因数の和:30718

約数の個数: 32

約数和(自身を含む): 37510313472

約数和(自身を除く): 17331982262

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 2293, 4586, 11465, 22930, 28387, 56774, 71083, 141935, 142166, 283870, 355415, 710830, 879997, 1759994, 4399985, 8799970, 65091391, 130182782, 325456955, 650913910, 2017833121, 4035666242, 10089165605, 20178331210]

約数ペア:

[(1, 20178331210), (2, 10089165605), (5, 4035666242), (10, 2017833121), (31, 650913910), (62, 325456955), (155, 130182782), (310, 65091391), (2293, 8799970), (4586, 4399985), (11465, 1759994), (22930, 879997), (28387, 710830), (56774, 355415), (71083, 283870), (141935, 142166)]