20226990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1579}}^1$

素因数の和:1657

約数の個数: 64

約数和(自身を含む): 56424960

約数和(自身を除く): 36197970

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 61, 70, 105, 122, 183, 210, 305, 366, 427, 610, 854, 915, 1281, 1579, 1830, 2135, 2562, 3158, 4270, 4737, 6405, 7895, 9474, 11053, 12810, 15790, 22106, 23685, 33159, 47370, 55265, 66318, 96319, 110530, 165795, 192638, 288957, 331590, 481595, 577914, 674233, 963190, 1348466, 1444785, 2022699, 2889570, 3371165, 4045398, 6742330, 10113495, 20226990]

約数ペア:

[(1, 20226990), (2, 10113495), (3, 6742330), (5, 4045398), (6, 3371165), (7, 2889570), (10, 2022699), (14, 1444785), (15, 1348466), (21, 963190), (30, 674233), (35, 577914), (42, 481595), (61, 331590), (70, 288957), (105, 192638), (122, 165795), (183, 110530), (210, 96319), (305, 66318), (366, 55265), (427, 47370), (610, 33159), (854, 23685), (915, 22106), (1281, 15790), (1579, 12810), (1830, 11053), (2135, 9474), (2562, 7895), (3158, 6405), (4270, 4737)]