20123143990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{476513}}^1$

素因数の和:476664

約数の個数: 32

約数和(自身を含む): 37465436736

約数和(自身を除く): 17342292746

約数列:

[1, 2, 5, 10, 41, 82, 103, 205, 206, 410, 515, 1030, 4223, 8446, 21115, 42230, 476513, 953026, 2382565, 4765130, 19537033, 39074066, 49080839, 97685165, 98161678, 195370330, 245404195, 490808390, 2012314399, 4024628798, 10061571995, 20123143990]

約数ペア:

[(1, 20123143990), (2, 10061571995), (5, 4024628798), (10, 2012314399), (41, 490808390), (82, 245404195), (103, 195370330), (205, 98161678), (206, 97685165), (410, 49080839), (515, 39074066), (1030, 19537033), (4223, 4765130), (8446, 2382565), (21115, 953026), (42230, 476513)]