20400102

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{409}}^1$

素因数の和:597

約数の個数: 48

約数和(自身を含む): 47202480

約数和(自身を除く): 26802378

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 163, 306, 326, 409, 489, 818, 978, 1227, 1467, 2454, 2771, 2934, 3681, 5542, 6953, 7362, 8313, 13906, 16626, 20859, 24939, 41718, 49878, 62577, 66667, 125154, 133334, 200001, 400002, 600003, 1133339, 1200006, 2266678, 3400017, 6800034, 10200051, 20400102]

約数ペア:

[(1, 20400102), (2, 10200051), (3, 6800034), (6, 3400017), (9, 2266678), (17, 1200006), (18, 1133339), (34, 600003), (51, 400002), (102, 200001), (153, 133334), (163, 125154), (306, 66667), (326, 62577), (409, 49878), (489, 41718), (818, 24939), (978, 20859), (1227, 16626), (1467, 13906), (2454, 8313), (2771, 7362), (2934, 6953), (3681, 5542)]