20262030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 50561280

約数和(自身を除く): 30299250

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 113, 129, 139, 215, 226, 258, 278, 339, 417, 430, 565, 645, 678, 695, 834, 1130, 1290, 1390, 1695, 2085, 3390, 4170, 4859, 5977, 9718, 11954, 14577, 15707, 17931, 24295, 29154, 29885, 31414, 35862, 47121, 48590, 59770, 72885, 78535, 89655, 94242, 145770, 157070, 179310, 235605, 471210, 675401, 1350802, 2026203, 3377005, 4052406, 6754010, 10131015, 20262030]

約数ペア:

[(1, 20262030), (2, 10131015), (3, 6754010), (5, 4052406), (6, 3377005), (10, 2026203), (15, 1350802), (30, 675401), (43, 471210), (86, 235605), (113, 179310), (129, 157070), (139, 145770), (215, 94242), (226, 89655), (258, 78535), (278, 72885), (339, 59770), (417, 48590), (430, 47121), (565, 35862), (645, 31414), (678, 29885), (695, 29154), (834, 24295), (1130, 17931), (1290, 15707), (1390, 14577), (1695, 11954), (2085, 9718), (3390, 5977), (4170, 4859)]