22290220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1031}}^1$

素因数の和:1110

約数の個数: 48

約数和(自身を含む): 49932288

約数和(自身を除く): 27642068

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 940, 1031, 1081, 2062, 2162, 4124, 4324, 5155, 5405, 10310, 10810, 20620, 21620, 23713, 47426, 48457, 94852, 96914, 118565, 193828, 237130, 242285, 474260, 484570, 969140, 1114511, 2229022, 4458044, 5572555, 11145110, 22290220]

約数ペア:

[(1, 22290220), (2, 11145110), (4, 5572555), (5, 4458044), (10, 2229022), (20, 1114511), (23, 969140), (46, 484570), (47, 474260), (92, 242285), (94, 237130), (115, 193828), (188, 118565), (230, 96914), (235, 94852), (460, 48457), (470, 47426), (940, 23713), (1031, 21620), (1081, 20620), (2062, 10810), (2162, 10310), (4124, 5405), (4324, 5155)]