20170856

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1013}}^1$

素因数の和:1169

約数の個数: 32

約数和(自身を含む): 40154400

約数和(自身を除く): 19983544

約数列:

[1, 2, 4, 8, 19, 38, 76, 131, 152, 262, 524, 1013, 1048, 2026, 2489, 4052, 4978, 8104, 9956, 19247, 19912, 38494, 76988, 132703, 153976, 265406, 530812, 1061624, 2521357, 5042714, 10085428, 20170856]

約数ペア:

[(1, 20170856), (2, 10085428), (4, 5042714), (8, 2521357), (19, 1061624), (38, 530812), (76, 265406), (131, 153976), (152, 132703), (262, 76988), (524, 38494), (1013, 19912), (1048, 19247), (2026, 9956), (2489, 8104), (4052, 4978)]