20154672008

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{1181}}^1\times {\mathrm{21121}}^1$

素因数の和:22409

約数の個数: 32

約数和(自身を含む): 38198292120

約数和(自身を除く): 18043620112

約数列:

[1, 2, 4, 8, 101, 202, 404, 808, 1181, 2362, 4724, 9448, 21121, 42242, 84484, 119281, 168968, 238562, 477124, 954248, 2133221, 4266442, 8532884, 17065768, 24943901, 49887802, 99775604, 199551208, 2519334001, 5038668002, 10077336004, 20154672008]

約数ペア:

[(1, 20154672008), (2, 10077336004), (4, 5038668002), (8, 2519334001), (101, 199551208), (202, 99775604), (404, 49887802), (808, 24943901), (1181, 17065768), (2362, 8532884), (4724, 4266442), (9448, 2133221), (21121, 954248), (42242, 477124), (84484, 238562), (119281, 168968)]