20382120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5147}}^1$

素因数の和:5175

約数の個数: 96

約数和(自身を含む): 72277920

約数和(自身を除く): 51895800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 5147, 10294, 15441, 20588, 25735, 30882, 41176, 46323, 51470, 56617, 61764, 77205, 92646, 102940, 113234, 123528, 154410, 169851, 185292, 205880, 226468, 231615, 283085, 308820, 339702, 370584, 452936, 463230, 509553, 566170, 617640, 679404, 849255, 926460, 1019106, 1132340, 1358808, 1698510, 1852920, 2038212, 2264680, 2547765, 3397020, 4076424, 5095530, 6794040, 10191060, 20382120]

約数ペア:

[(1, 20382120), (2, 10191060), (3, 6794040), (4, 5095530), (5, 4076424), (6, 3397020), (8, 2547765), (9, 2264680), (10, 2038212), (11, 1852920), (12, 1698510), (15, 1358808), (18, 1132340), (20, 1019106), (22, 926460), (24, 849255), (30, 679404), (33, 617640), (36, 566170), (40, 509553), (44, 463230), (45, 452936), (55, 370584), (60, 339702), (66, 308820), (72, 283085), (88, 231615), (90, 226468), (99, 205880), (110, 185292), (120, 169851), (132, 154410), (165, 123528), (180, 113234), (198, 102940), (220, 92646), (264, 77205), (330, 61764), (360, 56617), (396, 51470), (440, 46323), (495, 41176), (660, 30882), (792, 25735), (990, 20588), (1320, 15441), (1980, 10294), (3960, 5147)]