20366932725

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{39511}}^1$

素因数の和:39635

約数の個数: 72

約数和(自身を含む): 38216006400

約数和(自身を除く): 17849073675

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 79, 87, 145, 225, 237, 261, 395, 435, 711, 725, 1185, 1305, 1975, 2175, 2291, 3555, 5925, 6525, 6873, 11455, 17775, 20619, 34365, 39511, 57275, 103095, 118533, 171825, 197555, 355599, 515475, 592665, 987775, 1145819, 1777995, 2963325, 3121369, 3437457, 5729095, 8889975, 9364107, 10312371, 15606845, 17187285, 28092321, 28645475, 46820535, 51561855, 78034225, 85936425, 90519701, 140461605, 234102675, 257809275, 271559103, 452598505, 702308025, 814677309, 1357795515, 2262992525, 4073386545, 6788977575, 20366932725]

約数ペア:

[(1, 20366932725), (3, 6788977575), (5, 4073386545), (9, 2262992525), (15, 1357795515), (25, 814677309), (29, 702308025), (45, 452598505), (75, 271559103), (79, 257809275), (87, 234102675), (145, 140461605), (225, 90519701), (237, 85936425), (261, 78034225), (395, 51561855), (435, 46820535), (711, 28645475), (725, 28092321), (1185, 17187285), (1305, 15606845), (1975, 10312371), (2175, 9364107), (2291, 8889975), (3555, 5729095), (5925, 3437457), (6525, 3121369), (6873, 2963325), (11455, 1777995), (17775, 1145819), (20619, 987775), (34365, 592665), (39511, 515475), (57275, 355599), (103095, 197555), (118533, 171825)]