20144754

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{389}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 51667200

約数和(自身を除く): 31522446

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 137, 189, 274, 378, 389, 411, 778, 822, 959, 1167, 1233, 1918, 2334, 2466, 2723, 2877, 3501, 3699, 5446, 5754, 7002, 7398, 8169, 8631, 10503, 16338, 17262, 21006, 24507, 25893, 49014, 51786, 53293, 73521, 106586, 147042, 159879, 319758, 373051, 479637, 746102, 959274, 1119153, 1438911, 2238306, 2877822, 3357459, 6714918, 10072377, 20144754]

約数ペア:

[(1, 20144754), (2, 10072377), (3, 6714918), (6, 3357459), (7, 2877822), (9, 2238306), (14, 1438911), (18, 1119153), (21, 959274), (27, 746102), (42, 479637), (54, 373051), (63, 319758), (126, 159879), (137, 147042), (189, 106586), (274, 73521), (378, 53293), (389, 51786), (411, 49014), (778, 25893), (822, 24507), (959, 21006), (1167, 17262), (1233, 16338), (1918, 10503), (2334, 8631), (2466, 8169), (2723, 7398), (2877, 7002), (3501, 5754), (3699, 5446)]