20417310

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3719}}^1$

素因数の和:3793

約数の個数: 48

約数和(自身を含む): 53969760

約数和(自身を除く): 33552450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 183, 305, 366, 549, 610, 915, 1098, 1830, 2745, 3719, 5490, 7438, 11157, 18595, 22314, 33471, 37190, 55785, 66942, 111570, 167355, 226859, 334710, 453718, 680577, 1134295, 1361154, 2041731, 2268590, 3402885, 4083462, 6805770, 10208655, 20417310]

約数ペア:

[(1, 20417310), (2, 10208655), (3, 6805770), (5, 4083462), (6, 3402885), (9, 2268590), (10, 2041731), (15, 1361154), (18, 1134295), (30, 680577), (45, 453718), (61, 334710), (90, 226859), (122, 167355), (183, 111570), (305, 66942), (366, 55785), (549, 37190), (610, 33471), (915, 22314), (1098, 18595), (1830, 11157), (2745, 7438), (3719, 5490)]