20865744

素因数分解:

$2^4\times 3^2\times {\mathrm{47}}^1\times {\mathrm{3083}}^1$

素因数の和:3144

約数の個数: 60

約数和(自身を含む): 59656896

約数和(自身を除く): 38791152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 47, 48, 72, 94, 141, 144, 188, 282, 376, 423, 564, 752, 846, 1128, 1692, 2256, 3083, 3384, 6166, 6768, 9249, 12332, 18498, 24664, 27747, 36996, 49328, 55494, 73992, 110988, 144901, 147984, 221976, 289802, 434703, 443952, 579604, 869406, 1159208, 1304109, 1738812, 2318416, 2608218, 3477624, 5216436, 6955248, 10432872, 20865744]

約数ペア:

[(1, 20865744), (2, 10432872), (3, 6955248), (4, 5216436), (6, 3477624), (8, 2608218), (9, 2318416), (12, 1738812), (16, 1304109), (18, 1159208), (24, 869406), (36, 579604), (47, 443952), (48, 434703), (72, 289802), (94, 221976), (141, 147984), (144, 144901), (188, 110988), (282, 73992), (376, 55494), (423, 49328), (564, 36996), (752, 27747), (846, 24664), (1128, 18498), (1692, 12332), (2256, 9249), (3083, 6768), (3384, 6166)]