20171455910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1439}}^1\times {\mathrm{82457}}^1$

素因数の和:83920

約数の個数: 32

約数和(自身を含む): 38471604480

約数和(自身を除く): 18300148570

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 1439, 2878, 7195, 14390, 24463, 48926, 82457, 122315, 164914, 244630, 412285, 824570, 1401769, 2803538, 7008845, 14017690, 118655623, 237311246, 593278115, 1186556230, 2017145591, 4034291182, 10085727955, 20171455910]

約数ペア:

[(1, 20171455910), (2, 10085727955), (5, 4034291182), (10, 2017145591), (17, 1186556230), (34, 593278115), (85, 237311246), (170, 118655623), (1439, 14017690), (2878, 7008845), (7195, 2803538), (14390, 1401769), (24463, 824570), (48926, 412285), (82457, 244630), (122315, 164914)]