20565113816

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{179}}^1\times {\mathrm{84977}}^1$

素因数の和:85188

約数の個数: 48

約数和(自身を含む): 41987629800

約数和(自身を除く): 21422515984

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 179, 338, 358, 676, 716, 1352, 1432, 2327, 4654, 9308, 18616, 30251, 60502, 84977, 121004, 169954, 242008, 339908, 679816, 1104701, 2209402, 4418804, 8837608, 14361113, 15210883, 28722226, 30421766, 57444452, 60843532, 114888904, 121687064, 197741479, 395482958, 790965916, 1581931832, 2570639227, 5141278454, 10282556908, 20565113816]

約数ペア:

[(1, 20565113816), (2, 10282556908), (4, 5141278454), (8, 2570639227), (13, 1581931832), (26, 790965916), (52, 395482958), (104, 197741479), (169, 121687064), (179, 114888904), (338, 60843532), (358, 57444452), (676, 30421766), (716, 28722226), (1352, 15210883), (1432, 14361113), (2327, 8837608), (4654, 4418804), (9308, 2209402), (18616, 1104701), (30251, 679816), (60502, 339908), (84977, 242008), (121004, 169954)]