20826078

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{5449}}^1$

素因数の和:5481

約数の個数: 48

約数和(自身を含む): 52189200

約数和(自身を除く): 31363122

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 147, 182, 273, 294, 546, 637, 1274, 1911, 3822, 5449, 10898, 16347, 32694, 38143, 70837, 76286, 114429, 141674, 212511, 228858, 267001, 425022, 495859, 534002, 801003, 991718, 1487577, 1602006, 2975154, 3471013, 6942026, 10413039, 20826078]

約数ペア:

[(1, 20826078), (2, 10413039), (3, 6942026), (6, 3471013), (7, 2975154), (13, 1602006), (14, 1487577), (21, 991718), (26, 801003), (39, 534002), (42, 495859), (49, 425022), (78, 267001), (91, 228858), (98, 212511), (147, 141674), (182, 114429), (273, 76286), (294, 70837), (546, 38143), (637, 32694), (1274, 16347), (1911, 10898), (3822, 5449)]