20792408

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^5$

素因数の和:78

約数の個数: 48

約数和(自身を含む): 48268080

約数和(自身を除く): 27475672

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 169, 182, 338, 364, 676, 728, 1183, 1352, 2197, 2366, 4394, 4732, 8788, 9464, 15379, 17576, 28561, 30758, 57122, 61516, 114244, 123032, 199927, 228488, 371293, 399854, 742586, 799708, 1485172, 1599416, 2599051, 2970344, 5198102, 10396204, 20792408]

約数ペア:

[(1, 20792408), (2, 10396204), (4, 5198102), (7, 2970344), (8, 2599051), (13, 1599416), (14, 1485172), (26, 799708), (28, 742586), (52, 399854), (56, 371293), (91, 228488), (104, 199927), (169, 123032), (182, 114244), (338, 61516), (364, 57122), (676, 30758), (728, 28561), (1183, 17576), (1352, 15379), (2197, 9464), (2366, 8788), (4394, 4732)]