20289720724

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{647}}^1\times {\mathrm{853}}^1$

素因数の和:1625

約数の個数: 96

約数和(自身を含む): 44253651456

約数和(自身を除く): 23963930732

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 101, 182, 202, 364, 404, 647, 707, 853, 1294, 1313, 1414, 1706, 2588, 2626, 2828, 3412, 4529, 5252, 5971, 8411, 9058, 9191, 11089, 11942, 16822, 18116, 18382, 22178, 23884, 33644, 36764, 44356, 58877, 65347, 77623, 86153, 117754, 130694, 155246, 172306, 235508, 261388, 310492, 344612, 457429, 551891, 603071, 849511, 914858, 1103782, 1119989, 1206142, 1699022, 1829716, 2207564, 2239978, 2412284, 3398044, 3863237, 4479956, 5946577, 7174583, 7726474, 7839923, 11893154, 14349166, 15452948, 15679846, 23786308, 28698332, 31359692, 50222081, 55740991, 100444162, 111481982, 200888324, 222963964, 390186937, 724632883, 780373874, 1449265766, 1560747748, 2898531532, 5072430181, 10144860362, 20289720724]

約数ペア:

[(1, 20289720724), (2, 10144860362), (4, 5072430181), (7, 2898531532), (13, 1560747748), (14, 1449265766), (26, 780373874), (28, 724632883), (52, 390186937), (91, 222963964), (101, 200888324), (182, 111481982), (202, 100444162), (364, 55740991), (404, 50222081), (647, 31359692), (707, 28698332), (853, 23786308), (1294, 15679846), (1313, 15452948), (1414, 14349166), (1706, 11893154), (2588, 7839923), (2626, 7726474), (2828, 7174583), (3412, 5946577), (4529, 4479956), (5252, 3863237), (5971, 3398044), (8411, 2412284), (9058, 2239978), (9191, 2207564), (11089, 1829716), (11942, 1699022), (16822, 1206142), (18116, 1119989), (18382, 1103782), (22178, 914858), (23884, 849511), (33644, 603071), (36764, 551891), (44356, 457429), (58877, 344612), (65347, 310492), (77623, 261388), (86153, 235508), (117754, 172306), (130694, 155246)]