20000344

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{331}}^1$

素因数の和:440

約数の個数: 64

約数和(自身を含む): 46851840

約数和(自身を除く): 26851496

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 83, 91, 104, 166, 182, 331, 332, 364, 581, 662, 664, 728, 1079, 1162, 1324, 2158, 2317, 2324, 2648, 4303, 4316, 4634, 4648, 7553, 8606, 8632, 9268, 15106, 17212, 18536, 27473, 30121, 30212, 34424, 54946, 60242, 60424, 109892, 120484, 192311, 219784, 240968, 357149, 384622, 714298, 769244, 1428596, 1538488, 2500043, 2857192, 5000086, 10000172, 20000344]

約数ペア:

[(1, 20000344), (2, 10000172), (4, 5000086), (7, 2857192), (8, 2500043), (13, 1538488), (14, 1428596), (26, 769244), (28, 714298), (52, 384622), (56, 357149), (83, 240968), (91, 219784), (104, 192311), (166, 120484), (182, 109892), (331, 60424), (332, 60242), (364, 54946), (581, 34424), (662, 30212), (664, 30121), (728, 27473), (1079, 18536), (1162, 17212), (1324, 15106), (2158, 9268), (2317, 8632), (2324, 8606), (2648, 7553), (4303, 4648), (4316, 4634)]