2018920220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{52879}}^1$

素因数の和:52994

約数の個数: 48

約数和(自身を含む): 4477455360

約数和(自身を除く): 2458535140

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 83, 92, 115, 166, 230, 332, 415, 460, 830, 1660, 1909, 3818, 7636, 9545, 19090, 38180, 52879, 105758, 211516, 264395, 528790, 1057580, 1216217, 2432434, 4388957, 4864868, 6081085, 8777914, 12162170, 17555828, 21944785, 24324340, 43889570, 87779140, 100946011, 201892022, 403784044, 504730055, 1009460110, 2018920220]

約数ペア:

[(1, 2018920220), (2, 1009460110), (4, 504730055), (5, 403784044), (10, 201892022), (20, 100946011), (23, 87779140), (46, 43889570), (83, 24324340), (92, 21944785), (115, 17555828), (166, 12162170), (230, 8777914), (332, 6081085), (415, 4864868), (460, 4388957), (830, 2432434), (1660, 1216217), (1909, 1057580), (3818, 528790), (7636, 264395), (9545, 211516), (19090, 105758), (38180, 52879)]