20112016

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{641}}^1$

素因数の和:739

約数の個数: 40

約数和(自身を含む): 40838904

約数和(自身を除く): 20726888

約数列:

[1, 2, 4, 8, 16, 37, 53, 74, 106, 148, 212, 296, 424, 592, 641, 848, 1282, 1961, 2564, 3922, 5128, 7844, 10256, 15688, 23717, 31376, 33973, 47434, 67946, 94868, 135892, 189736, 271784, 379472, 543568, 1257001, 2514002, 5028004, 10056008, 20112016]

約数ペア:

[(1, 20112016), (2, 10056008), (4, 5028004), (8, 2514002), (16, 1257001), (37, 543568), (53, 379472), (74, 271784), (106, 189736), (148, 135892), (212, 94868), (296, 67946), (424, 47434), (592, 33973), (641, 31376), (848, 23717), (1282, 15688), (1961, 10256), (2564, 7844), (3922, 5128)]