20565995556

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{659}}^1\times {\mathrm{49069}}^1$

素因数の和:49788

約数の個数: 48

約数和(自身を含む): 48967934400

約数和(自身を除く): 28401938844

約数列:

[1, 2, 3, 4, 6, 12, 53, 106, 159, 212, 318, 636, 659, 1318, 1977, 2636, 3954, 7908, 34927, 49069, 69854, 98138, 104781, 139708, 147207, 196276, 209562, 294414, 419124, 588828, 2600657, 5201314, 7801971, 10402628, 15603942, 31207884, 32336471, 64672942, 97009413, 129345884, 194018826, 388037652, 1713832963, 3427665926, 5141498889, 6855331852, 10282997778, 20565995556]

約数ペア:

[(1, 20565995556), (2, 10282997778), (3, 6855331852), (4, 5141498889), (6, 3427665926), (12, 1713832963), (53, 388037652), (106, 194018826), (159, 129345884), (212, 97009413), (318, 64672942), (636, 32336471), (659, 31207884), (1318, 15603942), (1977, 10402628), (2636, 7801971), (3954, 5201314), (7908, 2600657), (34927, 588828), (49069, 419124), (69854, 294414), (98138, 209562), (104781, 196276), (139708, 147207)]