20025504

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{2243}}^1$

素因数の和:2290

約数の個数: 72

約数和(自身を含む): 58810752

約数和(自身を除く): 38785248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 124, 144, 186, 248, 279, 288, 372, 496, 558, 744, 992, 1116, 1488, 2232, 2243, 2976, 4464, 4486, 6729, 8928, 8972, 13458, 17944, 20187, 26916, 35888, 40374, 53832, 69533, 71776, 80748, 107664, 139066, 161496, 208599, 215328, 278132, 322992, 417198, 556264, 625797, 645984, 834396, 1112528, 1251594, 1668792, 2225056, 2503188, 3337584, 5006376, 6675168, 10012752, 20025504]

約数ペア:

[(1, 20025504), (2, 10012752), (3, 6675168), (4, 5006376), (6, 3337584), (8, 2503188), (9, 2225056), (12, 1668792), (16, 1251594), (18, 1112528), (24, 834396), (31, 645984), (32, 625797), (36, 556264), (48, 417198), (62, 322992), (72, 278132), (93, 215328), (96, 208599), (124, 161496), (144, 139066), (186, 107664), (248, 80748), (279, 71776), (288, 69533), (372, 53832), (496, 40374), (558, 35888), (744, 26916), (992, 20187), (1116, 17944), (1488, 13458), (2232, 8972), (2243, 8928), (2976, 6729), (4464, 4486)]