20538696

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{617}}^1$

素因数の和:718

約数の個数: 64

約数和(自身を含む): 54878400

約数和(自身を除く): 34339704

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 73, 76, 114, 146, 152, 219, 228, 292, 438, 456, 584, 617, 876, 1234, 1387, 1752, 1851, 2468, 2774, 3702, 4161, 4936, 5548, 7404, 8322, 11096, 11723, 14808, 16644, 23446, 33288, 35169, 45041, 46892, 70338, 90082, 93784, 135123, 140676, 180164, 270246, 281352, 360328, 540492, 855779, 1080984, 1711558, 2567337, 3423116, 5134674, 6846232, 10269348, 20538696]

約数ペア:

[(1, 20538696), (2, 10269348), (3, 6846232), (4, 5134674), (6, 3423116), (8, 2567337), (12, 1711558), (19, 1080984), (24, 855779), (38, 540492), (57, 360328), (73, 281352), (76, 270246), (114, 180164), (146, 140676), (152, 135123), (219, 93784), (228, 90082), (292, 70338), (438, 46892), (456, 45041), (584, 35169), (617, 33288), (876, 23446), (1234, 16644), (1387, 14808), (1752, 11723), (1851, 11096), (2468, 8322), (2774, 7404), (3702, 5548), (4161, 4936)]