20502594

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:256

約数の個数: 96

約数和(自身を含む): 54512640

約数和(自身を除く): 34010046

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 31, 42, 58, 62, 63, 87, 93, 126, 174, 181, 186, 203, 217, 261, 279, 362, 406, 434, 522, 543, 558, 609, 651, 899, 1086, 1218, 1267, 1302, 1629, 1798, 1827, 1953, 2534, 2697, 3258, 3654, 3801, 3906, 5249, 5394, 5611, 6293, 7602, 8091, 10498, 11222, 11403, 12586, 15747, 16182, 16833, 18879, 22806, 31494, 33666, 36743, 37758, 39277, 47241, 50499, 56637, 73486, 78554, 94482, 100998, 110229, 113274, 117831, 162719, 220458, 235662, 325438, 330687, 353493, 488157, 661374, 706986, 976314, 1139033, 1464471, 2278066, 2928942, 3417099, 6834198, 10251297, 20502594]

約数ペア:

[(1, 20502594), (2, 10251297), (3, 6834198), (6, 3417099), (7, 2928942), (9, 2278066), (14, 1464471), (18, 1139033), (21, 976314), (29, 706986), (31, 661374), (42, 488157), (58, 353493), (62, 330687), (63, 325438), (87, 235662), (93, 220458), (126, 162719), (174, 117831), (181, 113274), (186, 110229), (203, 100998), (217, 94482), (261, 78554), (279, 73486), (362, 56637), (406, 50499), (434, 47241), (522, 39277), (543, 37758), (558, 36743), (609, 33666), (651, 31494), (899, 22806), (1086, 18879), (1218, 16833), (1267, 16182), (1302, 15747), (1629, 12586), (1798, 11403), (1827, 11222), (1953, 10498), (2534, 8091), (2697, 7602), (3258, 6293), (3654, 5611), (3801, 5394), (3906, 5249)]