20512456902

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{497851}}^1$

素因数の和:497978

約数の個数: 64

約数和(自身を含む): 52573171200

約数和(自身を除く): 32060714298

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 109, 126, 189, 218, 327, 378, 654, 763, 981, 1526, 1962, 2289, 2943, 4578, 5886, 6867, 13734, 20601, 41202, 497851, 995702, 1493553, 2987106, 3484957, 4480659, 6969914, 8961318, 10454871, 13441977, 20909742, 26883954, 31364613, 54265759, 62729226, 94093839, 108531518, 162797277, 188187678, 325594554, 379860313, 488391831, 759720626, 976783662, 1139580939, 1465175493, 2279161878, 2930350986, 3418742817, 6837485634, 10256228451, 20512456902]

約数ペア:

[(1, 20512456902), (2, 10256228451), (3, 6837485634), (6, 3418742817), (7, 2930350986), (9, 2279161878), (14, 1465175493), (18, 1139580939), (21, 976783662), (27, 759720626), (42, 488391831), (54, 379860313), (63, 325594554), (109, 188187678), (126, 162797277), (189, 108531518), (218, 94093839), (327, 62729226), (378, 54265759), (654, 31364613), (763, 26883954), (981, 20909742), (1526, 13441977), (1962, 10454871), (2289, 8961318), (2943, 6969914), (4578, 4480659), (5886, 3484957), (6867, 2987106), (13734, 1493553), (20601, 995702), (41202, 497851)]