19927140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{4957}}^1$

素因数の和:5036

約数の個数: 48

約数和(自身を含む): 56640192

約数和(自身を除く): 36713052

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 670, 804, 1005, 1340, 2010, 4020, 4957, 9914, 14871, 19828, 24785, 29742, 49570, 59484, 74355, 99140, 148710, 297420, 332119, 664238, 996357, 1328476, 1660595, 1992714, 3321190, 3985428, 4981785, 6642380, 9963570, 19927140]

約数ペア:

[(1, 19927140), (2, 9963570), (3, 6642380), (4, 4981785), (5, 3985428), (6, 3321190), (10, 1992714), (12, 1660595), (15, 1328476), (20, 996357), (30, 664238), (60, 332119), (67, 297420), (134, 148710), (201, 99140), (268, 74355), (335, 59484), (402, 49570), (670, 29742), (804, 24785), (1005, 19828), (1340, 14871), (2010, 9914), (4020, 4957)]