20421844101

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{449}}^1\times {\mathrm{557}}^1$

素因数の和:1266

約数の個数: 48

約数和(自身を含む): 30449390400

約数和(自身を除く): 10027546299

約数列:

[1, 3, 9, 43, 129, 211, 387, 449, 557, 633, 1347, 1671, 1899, 4041, 5013, 9073, 19307, 23951, 27219, 57921, 71853, 81657, 94739, 117527, 173763, 215559, 250093, 284217, 352581, 750279, 852651, 1057743, 2250837, 4073777, 5053661, 10753999, 12221331, 15160983, 32261997, 36663993, 45482949, 52769623, 96785991, 158308869, 474926607, 2269093789, 6807281367, 20421844101]

約数ペア:

[(1, 20421844101), (3, 6807281367), (9, 2269093789), (43, 474926607), (129, 158308869), (211, 96785991), (387, 52769623), (449, 45482949), (557, 36663993), (633, 32261997), (1347, 15160983), (1671, 12221331), (1899, 10753999), (4041, 5053661), (5013, 4073777), (9073, 2250837), (19307, 1057743), (23951, 852651), (27219, 750279), (57921, 352581), (71853, 284217), (81657, 250093), (94739, 215559), (117527, 173763)]