20545508718

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{942541}}^1$

素因数の和:942729

約数の個数: 48

約数和(自身を含む): 51168720096

約数和(自身を除く): 30623211378

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 173, 346, 519, 1038, 1211, 1557, 2422, 3114, 3633, 7266, 10899, 21798, 942541, 1885082, 2827623, 5655246, 6597787, 8482869, 13195574, 16965738, 19793361, 39586722, 59380083, 118760166, 163059593, 326119186, 489178779, 978357558, 1141417151, 1467536337, 2282834302, 2935072674, 3424251453, 6848502906, 10272754359, 20545508718]

約数ペア:

[(1, 20545508718), (2, 10272754359), (3, 6848502906), (6, 3424251453), (7, 2935072674), (9, 2282834302), (14, 1467536337), (18, 1141417151), (21, 978357558), (42, 489178779), (63, 326119186), (126, 163059593), (173, 118760166), (346, 59380083), (519, 39586722), (1038, 19793361), (1211, 16965738), (1557, 13195574), (2422, 8482869), (3114, 6597787), (3633, 5655246), (7266, 2827623), (10899, 1885082), (21798, 942541)]