20996345543515

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{449}}^1\times {\mathrm{1171}}^1\times {\mathrm{1559}}^1$

素因数の和:3340

約数の個数: 64

約数和(自身を含む): 26064529920000

約数和(自身を除く): 5068184376485

約数列:

[1, 5, 47, 109, 235, 449, 545, 1171, 1559, 2245, 5123, 5855, 7795, 21103, 25615, 48941, 55037, 73273, 105515, 127639, 169931, 244705, 275185, 366365, 525779, 638195, 699991, 849655, 1825589, 2300227, 2628895, 3499955, 5999033, 7986757, 9127945, 11501135, 24711613, 29995165, 32899577, 39933785, 57309911, 76299019, 85802683, 123558065, 164497885, 198989201, 286549555, 381495095, 429013415, 819689461, 994946005, 2693565817, 3586053893, 4098447305, 9352492447, 13467829085, 17930269465, 38525404667, 46762462235, 89346151249, 192627023335, 446730756245, 4199269108703, 20996345543515]

約数ペア:

[(1, 20996345543515), (5, 4199269108703), (47, 446730756245), (109, 192627023335), (235, 89346151249), (449, 46762462235), (545, 38525404667), (1171, 17930269465), (1559, 13467829085), (2245, 9352492447), (5123, 4098447305), (5855, 3586053893), (7795, 2693565817), (21103, 994946005), (25615, 819689461), (48941, 429013415), (55037, 381495095), (73273, 286549555), (105515, 198989201), (127639, 164497885), (169931, 123558065), (244705, 85802683), (275185, 76299019), (366365, 57309911), (525779, 39933785), (638195, 32899577), (699991, 29995165), (849655, 24711613), (1825589, 11501135), (2300227, 9127945), (2628895, 7986757), (3499955, 5999033)]