20571700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{12101}}^1$

素因数の和:12132

約数の個数: 36

約数和(自身を含む): 47270412

約数和(自身を除く): 26698712

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 12101, 24202, 48404, 60505, 121010, 205717, 242020, 302525, 411434, 605050, 822868, 1028585, 1210100, 2057170, 4114340, 5142925, 10285850, 20571700]

約数ペア:

[(1, 20571700), (2, 10285850), (4, 5142925), (5, 4114340), (10, 2057170), (17, 1210100), (20, 1028585), (25, 822868), (34, 605050), (50, 411434), (68, 302525), (85, 242020), (100, 205717), (170, 121010), (340, 60505), (425, 48404), (850, 24202), (1700, 12101)]