20554260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{5113}}^1$

素因数の和:5192

約数の個数: 48

約数和(自身を含む): 58422336

約数和(自身を除く): 37868076

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, 5113, 10226, 15339, 20452, 25565, 30678, 51130, 61356, 76695, 102260, 153390, 306780, 342571, 685142, 1027713, 1370284, 1712855, 2055426, 3425710, 4110852, 5138565, 6851420, 10277130, 20554260]

約数ペア:

[(1, 20554260), (2, 10277130), (3, 6851420), (4, 5138565), (5, 4110852), (6, 3425710), (10, 2055426), (12, 1712855), (15, 1370284), (20, 1027713), (30, 685142), (60, 342571), (67, 306780), (134, 153390), (201, 102260), (268, 76695), (335, 61356), (402, 51130), (670, 30678), (804, 25565), (1005, 20452), (1340, 15339), (2010, 10226), (4020, 5113)]