20228745640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{536287}}^1$

素因数の和:536362

約数の個数: 64

約数和(自身を含む): 48652047360

約数和(自身を除く): 28423301720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 41, 46, 82, 92, 115, 164, 184, 205, 230, 328, 410, 460, 820, 920, 943, 1640, 1886, 3772, 4715, 7544, 9430, 18860, 37720, 536287, 1072574, 2145148, 2681435, 4290296, 5362870, 10725740, 12334601, 21451480, 21987767, 24669202, 43975534, 49338404, 61673005, 87951068, 98676808, 109938835, 123346010, 175902136, 219877670, 246692020, 439755340, 493384040, 505718641, 879510680, 1011437282, 2022874564, 2528593205, 4045749128, 5057186410, 10114372820, 20228745640]

約数ペア:

[(1, 20228745640), (2, 10114372820), (4, 5057186410), (5, 4045749128), (8, 2528593205), (10, 2022874564), (20, 1011437282), (23, 879510680), (40, 505718641), (41, 493384040), (46, 439755340), (82, 246692020), (92, 219877670), (115, 175902136), (164, 123346010), (184, 109938835), (205, 98676808), (230, 87951068), (328, 61673005), (410, 49338404), (460, 43975534), (820, 24669202), (920, 21987767), (943, 21451480), (1640, 12334601), (1886, 10725740), (3772, 5362870), (4715, 4290296), (7544, 2681435), (9430, 2145148), (18860, 1072574), (37720, 536287)]