20170876250

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{22381}}^1$

素因数の和:22513

約数の個数: 80

約数和(自身を含む): 43630933632

約数和(自身を除く): 23460057382

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 103, 125, 175, 206, 250, 350, 515, 625, 721, 875, 1030, 1250, 1442, 1750, 2575, 3605, 4375, 5150, 7210, 8750, 12875, 18025, 22381, 25750, 36050, 44762, 64375, 90125, 111905, 128750, 156667, 180250, 223810, 313334, 450625, 559525, 783335, 901250, 1119050, 1566670, 2305243, 2797625, 3916675, 4610486, 5595250, 7833350, 11526215, 13988125, 16136701, 19583375, 23052430, 27976250, 32273402, 39166750, 57631075, 80683505, 97916875, 115262150, 161367010, 195833750, 288155375, 403417525, 576310750, 806835050, 1440776875, 2017087625, 2881553750, 4034175250, 10085438125, 20170876250]

約数ペア:

[(1, 20170876250), (2, 10085438125), (5, 4034175250), (7, 2881553750), (10, 2017087625), (14, 1440776875), (25, 806835050), (35, 576310750), (50, 403417525), (70, 288155375), (103, 195833750), (125, 161367010), (175, 115262150), (206, 97916875), (250, 80683505), (350, 57631075), (515, 39166750), (625, 32273402), (721, 27976250), (875, 23052430), (1030, 19583375), (1250, 16136701), (1442, 13988125), (1750, 11526215), (2575, 7833350), (3605, 5595250), (4375, 4610486), (5150, 3916675), (7210, 2797625), (8750, 2305243), (12875, 1566670), (18025, 1119050), (22381, 901250), (25750, 783335), (36050, 559525), (44762, 450625), (64375, 313334), (90125, 223810), (111905, 180250), (128750, 156667)]