20175143980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1511}}^1\times {\mathrm{23021}}^1$

素因数の和:24570

約数の個数: 48

約数和(自身を含む): 43859672640

約数和(自身を除く): 23684528660

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 1511, 3022, 6044, 7555, 15110, 23021, 30220, 43819, 46042, 87638, 92084, 115105, 175276, 219095, 230210, 438190, 460420, 667609, 876380, 1335218, 2670436, 3338045, 6676090, 13352180, 34784731, 69569462, 139138924, 173923655, 347847310, 695694620, 1008757199, 2017514398, 4035028796, 5043785995, 10087571990, 20175143980]

約数ペア:

[(1, 20175143980), (2, 10087571990), (4, 5043785995), (5, 4035028796), (10, 2017514398), (20, 1008757199), (29, 695694620), (58, 347847310), (116, 173923655), (145, 139138924), (290, 69569462), (580, 34784731), (1511, 13352180), (3022, 6676090), (6044, 3338045), (7555, 2670436), (15110, 1335218), (23021, 876380), (30220, 667609), (43819, 460420), (46042, 438190), (87638, 230210), (92084, 219095), (115105, 175276)]