20918534

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6761}}^1$

素因数の和:6800

約数の個数: 32

約数和(自身を含む): 40896576

約数和(自身を除く): 19978042

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 119, 182, 221, 238, 442, 1547, 3094, 6761, 13522, 47327, 87893, 94654, 114937, 175786, 229874, 615251, 804559, 1230502, 1494181, 1609118, 2988362, 10459267, 20918534]

約数ペア:

[(1, 20918534), (2, 10459267), (7, 2988362), (13, 1609118), (14, 1494181), (17, 1230502), (26, 804559), (34, 615251), (91, 229874), (119, 175786), (182, 114937), (221, 94654), (238, 87893), (442, 47327), (1547, 13522), (3094, 6761)]