20145006

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2621}}^1$

素因数の和:2697

約数の個数: 48

約数和(自身を含む): 50719968

約数和(自身を除く): 30574962

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 61, 63, 122, 126, 183, 366, 427, 549, 854, 1098, 1281, 2562, 2621, 3843, 5242, 7686, 7863, 15726, 18347, 23589, 36694, 47178, 55041, 110082, 159881, 165123, 319762, 330246, 479643, 959286, 1119167, 1438929, 2238334, 2877858, 3357501, 6715002, 10072503, 20145006]

約数ペア:

[(1, 20145006), (2, 10072503), (3, 6715002), (6, 3357501), (7, 2877858), (9, 2238334), (14, 1438929), (18, 1119167), (21, 959286), (42, 479643), (61, 330246), (63, 319762), (122, 165123), (126, 159881), (183, 110082), (366, 55041), (427, 47178), (549, 36694), (854, 23589), (1098, 18347), (1281, 15726), (2562, 7863), (2621, 7686), (3843, 5242)]