20184521804

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{221021}}^1$

素因数の和:221138

約数の個数: 36

約数和(自身を含む): 37998102240

約数和(自身を除く): 17813580436

約数列:

[1, 2, 4, 17, 34, 68, 79, 158, 289, 316, 578, 1156, 1343, 2686, 5372, 22831, 45662, 91324, 221021, 442042, 884084, 3757357, 7514714, 15029428, 17460659, 34921318, 63875069, 69842636, 127750138, 255500276, 296831203, 593662406, 1187324812, 5046130451, 10092260902, 20184521804]

約数ペア:

[(1, 20184521804), (2, 10092260902), (4, 5046130451), (17, 1187324812), (34, 593662406), (68, 296831203), (79, 255500276), (158, 127750138), (289, 69842636), (316, 63875069), (578, 34921318), (1156, 17460659), (1343, 15029428), (2686, 7514714), (5372, 3757357), (22831, 884084), (45662, 442042), (91324, 221021)]