20454714

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1021}}^1$

素因数の和:1092

約数の個数: 64

約数和(自身を含む): 52980480

約数和(自身を除く): 32525766

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 53, 54, 63, 106, 126, 159, 189, 318, 371, 378, 477, 742, 954, 1021, 1113, 1431, 2042, 2226, 2862, 3063, 3339, 6126, 6678, 7147, 9189, 10017, 14294, 18378, 20034, 21441, 27567, 42882, 54113, 55134, 64323, 108226, 128646, 162339, 192969, 324678, 378791, 385938, 487017, 757582, 974034, 1136373, 1461051, 2272746, 2922102, 3409119, 6818238, 10227357, 20454714]

約数ペア:

[(1, 20454714), (2, 10227357), (3, 6818238), (6, 3409119), (7, 2922102), (9, 2272746), (14, 1461051), (18, 1136373), (21, 974034), (27, 757582), (42, 487017), (53, 385938), (54, 378791), (63, 324678), (106, 192969), (126, 162339), (159, 128646), (189, 108226), (318, 64323), (371, 55134), (378, 54113), (477, 42882), (742, 27567), (954, 21441), (1021, 20034), (1113, 18378), (1431, 14294), (2042, 10017), (2226, 9189), (2862, 7147), (3063, 6678), (3339, 6126)]