20122097770

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{839}}^1\times {\mathrm{141079}}^1$

素因数の和:141942

約数の個数: 32

約数和(自身を含む): 38396332800

約数和(自身を除く): 18274235030

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 839, 1678, 4195, 8390, 14263, 28526, 71315, 141079, 142630, 282158, 705395, 1410790, 2398343, 4796686, 11991715, 23983430, 118365281, 236730562, 591826405, 1183652810, 2012209777, 4024419554, 10061048885, 20122097770]

約数ペア:

[(1, 20122097770), (2, 10061048885), (5, 4024419554), (10, 2012209777), (17, 1183652810), (34, 591826405), (85, 236730562), (170, 118365281), (839, 23983430), (1678, 11991715), (4195, 4796686), (8390, 2398343), (14263, 1410790), (28526, 705395), (71315, 282158), (141079, 142630)]