20526012

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{719}}^1$

素因数の和:803

約数の個数: 72

約数和(自身を含む): 56871360

約数和(自身を除く): 36345348

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 61, 78, 117, 122, 156, 183, 234, 244, 366, 468, 549, 719, 732, 793, 1098, 1438, 1586, 2157, 2196, 2379, 2876, 3172, 4314, 4758, 6471, 7137, 8628, 9347, 9516, 12942, 14274, 18694, 25884, 28041, 28548, 37388, 43859, 56082, 84123, 87718, 112164, 131577, 168246, 175436, 263154, 336492, 394731, 526308, 570167, 789462, 1140334, 1578924, 1710501, 2280668, 3421002, 5131503, 6842004, 10263006, 20526012]

約数ペア:

[(1, 20526012), (2, 10263006), (3, 6842004), (4, 5131503), (6, 3421002), (9, 2280668), (12, 1710501), (13, 1578924), (18, 1140334), (26, 789462), (36, 570167), (39, 526308), (52, 394731), (61, 336492), (78, 263154), (117, 175436), (122, 168246), (156, 131577), (183, 112164), (234, 87718), (244, 84123), (366, 56082), (468, 43859), (549, 37388), (719, 28548), (732, 28041), (793, 25884), (1098, 18694), (1438, 14274), (1586, 12942), (2157, 9516), (2196, 9347), (2379, 8628), (2876, 7137), (3172, 6471), (4314, 4758)]