20087780840

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{467}}^1\times {\mathrm{14731}}^1$

素因数の和:15282

約数の個数: 64

約数和(自身を含む): 45917876160

約数和(自身を除く): 25830095320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 467, 584, 730, 934, 1460, 1868, 2335, 2920, 3736, 4670, 9340, 14731, 18680, 29462, 34091, 58924, 68182, 73655, 117848, 136364, 147310, 170455, 272728, 294620, 340910, 589240, 681820, 1075363, 1363640, 2150726, 4301452, 5376815, 6879377, 8602904, 10753630, 13758754, 21507260, 27517508, 34396885, 43014520, 55035016, 68793770, 137587540, 275175080, 502194521, 1004389042, 2008778084, 2510972605, 4017556168, 5021945210, 10043890420, 20087780840]

約数ペア:

[(1, 20087780840), (2, 10043890420), (4, 5021945210), (5, 4017556168), (8, 2510972605), (10, 2008778084), (20, 1004389042), (40, 502194521), (73, 275175080), (146, 137587540), (292, 68793770), (365, 55035016), (467, 43014520), (584, 34396885), (730, 27517508), (934, 21507260), (1460, 13758754), (1868, 10753630), (2335, 8602904), (2920, 6879377), (3736, 5376815), (4670, 4301452), (9340, 2150726), (14731, 1363640), (18680, 1075363), (29462, 681820), (34091, 589240), (58924, 340910), (68182, 294620), (73655, 272728), (117848, 170455), (136364, 147310)]