20537360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{15101}}^1$

素因数の和:15131

約数の個数: 40

約数和(自身を含む): 50561496

約数和(自身を除く): 30024136

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 15101, 30202, 60404, 75505, 120808, 151010, 241616, 256717, 302020, 513434, 604040, 1026868, 1208080, 1283585, 2053736, 2567170, 4107472, 5134340, 10268680, 20537360]

約数ペア:

[(1, 20537360), (2, 10268680), (4, 5134340), (5, 4107472), (8, 2567170), (10, 2053736), (16, 1283585), (17, 1208080), (20, 1026868), (34, 604040), (40, 513434), (68, 302020), (80, 256717), (85, 241616), (136, 151010), (170, 120808), (272, 75505), (340, 60404), (680, 30202), (1360, 15101)]