20504624

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:210

約数の個数: 80

約数和(自身を含む): 48211200

約数和(自身を除く): 27706576

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 59, 107, 112, 116, 118, 203, 214, 232, 236, 406, 413, 428, 464, 472, 749, 812, 826, 856, 944, 1498, 1624, 1652, 1711, 1712, 2996, 3103, 3248, 3304, 3422, 5992, 6206, 6313, 6608, 6844, 11977, 11984, 12412, 12626, 13688, 21721, 23954, 24824, 25252, 27376, 43442, 44191, 47908, 49648, 50504, 86884, 88382, 95816, 101008, 173768, 176764, 183077, 191632, 347536, 353528, 366154, 707056, 732308, 1281539, 1464616, 2563078, 2929232, 5126156, 10252312, 20504624]

約数ペア:

[(1, 20504624), (2, 10252312), (4, 5126156), (7, 2929232), (8, 2563078), (14, 1464616), (16, 1281539), (28, 732308), (29, 707056), (56, 366154), (58, 353528), (59, 347536), (107, 191632), (112, 183077), (116, 176764), (118, 173768), (203, 101008), (214, 95816), (232, 88382), (236, 86884), (406, 50504), (413, 49648), (428, 47908), (464, 44191), (472, 43442), (749, 27376), (812, 25252), (826, 24824), (856, 23954), (944, 21721), (1498, 13688), (1624, 12626), (1652, 12412), (1711, 11984), (1712, 11977), (2996, 6844), (3103, 6608), (3248, 6313), (3304, 6206), (3422, 5992)]