20147800912

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1\times {\mathrm{1283}}^1$

素因数の和:1760

約数の個数: 80

約数和(自身を含む): 41192363520

約数和(自身を除く): 21044562608

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 139, 184, 278, 307, 368, 556, 614, 1112, 1228, 1283, 2224, 2456, 2566, 3197, 4912, 5132, 6394, 7061, 10264, 12788, 14122, 20528, 25576, 28244, 29509, 42673, 51152, 56488, 59018, 85346, 112976, 118036, 170692, 178337, 236072, 341384, 356674, 393881, 472144, 682768, 713348, 787762, 981479, 1426696, 1575524, 1962958, 2853392, 3151048, 3925916, 4101751, 6302096, 7851832, 8203502, 9059263, 15703664, 16407004, 18118526, 32814008, 36237052, 54749459, 65628016, 72474104, 109498918, 144948208, 218997836, 437995672, 875991344, 1259237557, 2518475114, 5036950228, 10073900456, 20147800912]

約数ペア:

[(1, 20147800912), (2, 10073900456), (4, 5036950228), (8, 2518475114), (16, 1259237557), (23, 875991344), (46, 437995672), (92, 218997836), (139, 144948208), (184, 109498918), (278, 72474104), (307, 65628016), (368, 54749459), (556, 36237052), (614, 32814008), (1112, 18118526), (1228, 16407004), (1283, 15703664), (2224, 9059263), (2456, 8203502), (2566, 7851832), (3197, 6302096), (4912, 4101751), (5132, 3925916), (6394, 3151048), (7061, 2853392), (10264, 1962958), (12788, 1575524), (14122, 1426696), (20528, 981479), (25576, 787762), (28244, 713348), (29509, 682768), (42673, 472144), (51152, 393881), (56488, 356674), (59018, 341384), (85346, 236072), (112976, 178337), (118036, 170692)]