20500116

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18773}}^1$

素因数の和:18800

約数の個数: 48

約数和(自身を含む): 58875264

約数和(自身を除く): 38375148

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 18773, 37546, 56319, 75092, 112638, 131411, 225276, 244049, 262822, 394233, 488098, 525644, 732147, 788466, 976196, 1464294, 1576932, 1708343, 2928588, 3416686, 5125029, 6833372, 10250058, 20500116]

約数ペア:

[(1, 20500116), (2, 10250058), (3, 6833372), (4, 5125029), (6, 3416686), (7, 2928588), (12, 1708343), (13, 1576932), (14, 1464294), (21, 976196), (26, 788466), (28, 732147), (39, 525644), (42, 488098), (52, 394233), (78, 262822), (84, 244049), (91, 225276), (156, 131411), (182, 112638), (273, 75092), (364, 56319), (546, 37546), (1092, 18773)]