20451636140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4627067}}^1$

素因数の和:4627106

約数の個数: 48

約数和(自身を含む): 48972887712

約数和(自身を除く): 28521251572

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 4627067, 9254134, 18508268, 23135335, 46270670, 60151871, 78660139, 92541340, 120303742, 157320278, 240607484, 300759355, 314640556, 393300695, 601518710, 786601390, 1022581807, 1203037420, 1573202780, 2045163614, 4090327228, 5112909035, 10225818070, 20451636140]

約数ペア:

[(1, 20451636140), (2, 10225818070), (4, 5112909035), (5, 4090327228), (10, 2045163614), (13, 1573202780), (17, 1203037420), (20, 1022581807), (26, 786601390), (34, 601518710), (52, 393300695), (65, 314640556), (68, 300759355), (85, 240607484), (130, 157320278), (170, 120303742), (221, 92541340), (260, 78660139), (340, 60151871), (442, 46270670), (884, 23135335), (1105, 18508268), (2210, 9254134), (4420, 4627067)]