20249890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5179}}^1$

素因数の和:5226

約数の個数: 32

約数和(自身を含む): 40279680

約数和(自身を除く): 20029790

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 5179, 10358, 25895, 51790, 88043, 119117, 176086, 238234, 440215, 595585, 880430, 1191170, 2024989, 4049978, 10124945, 20249890]

約数ペア:

[(1, 20249890), (2, 10124945), (5, 4049978), (10, 2024989), (17, 1191170), (23, 880430), (34, 595585), (46, 440215), (85, 238234), (115, 176086), (170, 119117), (230, 88043), (391, 51790), (782, 25895), (1955, 10358), (3910, 5179)]