20347782

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{449}}^1$

素因数の和:557

約数の個数: 64

約数和(自身を含む): 50803200

約数和(自身を除く): 30455418

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 83, 91, 166, 182, 249, 273, 449, 498, 546, 581, 898, 1079, 1162, 1347, 1743, 2158, 2694, 3143, 3237, 3486, 5837, 6286, 6474, 7553, 9429, 11674, 15106, 17511, 18858, 22659, 35022, 37267, 40859, 45318, 74534, 81718, 111801, 122577, 223602, 245154, 260869, 484471, 521738, 782607, 968942, 1453413, 1565214, 2906826, 3391297, 6782594, 10173891, 20347782]

約数ペア:

[(1, 20347782), (2, 10173891), (3, 6782594), (6, 3391297), (7, 2906826), (13, 1565214), (14, 1453413), (21, 968942), (26, 782607), (39, 521738), (42, 484471), (78, 260869), (83, 245154), (91, 223602), (166, 122577), (182, 111801), (249, 81718), (273, 74534), (449, 45318), (498, 40859), (546, 37267), (581, 35022), (898, 22659), (1079, 18858), (1162, 17511), (1347, 15106), (1743, 11674), (2158, 9429), (2694, 7553), (3143, 6474), (3237, 6286), (3486, 5837)]