20984004

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{25343}}^1$

素因数の和:25376

約数の個数: 36

約数和(自身を含む): 55351296

約数和(自身を除く): 34367292

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 25343, 50686, 76029, 101372, 152058, 228087, 304116, 456174, 582889, 912348, 1165778, 1748667, 2331556, 3497334, 5246001, 6994668, 10492002, 20984004]

約数ペア:

[(1, 20984004), (2, 10492002), (3, 6994668), (4, 5246001), (6, 3497334), (9, 2331556), (12, 1748667), (18, 1165778), (23, 912348), (36, 582889), (46, 456174), (69, 304116), (92, 228087), (138, 152058), (207, 101372), (276, 76029), (414, 50686), (828, 25343)]