20660790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{541}}^1$

素因数の和:637

約数の個数: 64

約数和(自身を含む): 53072640

約数和(自身を除く): 32411850

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 67, 95, 114, 134, 190, 201, 285, 335, 402, 541, 570, 670, 1005, 1082, 1273, 1623, 2010, 2546, 2705, 3246, 3819, 5410, 6365, 7638, 8115, 10279, 12730, 16230, 19095, 20558, 30837, 36247, 38190, 51395, 61674, 72494, 102790, 108741, 154185, 181235, 217482, 308370, 362470, 543705, 688693, 1087410, 1377386, 2066079, 3443465, 4132158, 6886930, 10330395, 20660790]

約数ペア:

[(1, 20660790), (2, 10330395), (3, 6886930), (5, 4132158), (6, 3443465), (10, 2066079), (15, 1377386), (19, 1087410), (30, 688693), (38, 543705), (57, 362470), (67, 308370), (95, 217482), (114, 181235), (134, 154185), (190, 108741), (201, 102790), (285, 72494), (335, 61674), (402, 51395), (541, 38190), (570, 36247), (670, 30837), (1005, 20558), (1082, 19095), (1273, 16230), (1623, 12730), (2010, 10279), (2546, 8115), (2705, 7638), (3246, 6365), (3819, 5410)]