20462688

素因数分解:

$2^5\times 3^2\times {\mathrm{227}}^1\times {\mathrm{313}}^1$

素因数の和:556

約数の個数: 72

約数和(自身を含む): 58633848

約数和(自身を除く): 38171160

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 227, 288, 313, 454, 626, 681, 908, 939, 1252, 1362, 1816, 1878, 2043, 2504, 2724, 2817, 3632, 3756, 4086, 5008, 5448, 5634, 7264, 7512, 8172, 10016, 10896, 11268, 15024, 16344, 21792, 22536, 30048, 32688, 45072, 65376, 71051, 90144, 142102, 213153, 284204, 426306, 568408, 639459, 852612, 1136816, 1278918, 1705224, 2273632, 2557836, 3410448, 5115672, 6820896, 10231344, 20462688]

約数ペア:

[(1, 20462688), (2, 10231344), (3, 6820896), (4, 5115672), (6, 3410448), (8, 2557836), (9, 2273632), (12, 1705224), (16, 1278918), (18, 1136816), (24, 852612), (32, 639459), (36, 568408), (48, 426306), (72, 284204), (96, 213153), (144, 142102), (227, 90144), (288, 71051), (313, 65376), (454, 45072), (626, 32688), (681, 30048), (908, 22536), (939, 21792), (1252, 16344), (1362, 15024), (1816, 11268), (1878, 10896), (2043, 10016), (2504, 8172), (2724, 7512), (2817, 7264), (3632, 5634), (3756, 5448), (4086, 5008)]