20194189827

素因数分解:

$3^1\times 7^3\times {\mathrm{1663}}^1\times {\mathrm{11801}}^1$

素因数の和:13488

約数の個数: 32

約数和(自身を含む): 31421644800

約数和(自身を除く): 11227454973

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 1663, 4989, 11641, 11801, 34923, 35403, 81487, 82607, 244461, 247821, 570409, 578249, 1711227, 1734747, 4047743, 12143229, 19625063, 58875189, 137375441, 412126323, 961628087, 2884884261, 6731396609, 20194189827]

約数ペア:

[(1, 20194189827), (3, 6731396609), (7, 2884884261), (21, 961628087), (49, 412126323), (147, 137375441), (343, 58875189), (1029, 19625063), (1663, 12143229), (4989, 4047743), (11641, 1734747), (11801, 1711227), (34923, 578249), (35403, 570409), (81487, 247821), (82607, 244461)]