20651106

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:283

約数の個数: 64

約数和(自身を含む): 49335552

約数和(自身を除く): 28684446

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 97, 111, 137, 194, 222, 259, 274, 291, 411, 518, 582, 679, 777, 822, 959, 1358, 1554, 1918, 2037, 2877, 3589, 4074, 5069, 5754, 7178, 10138, 10767, 13289, 15207, 21534, 25123, 26578, 30414, 35483, 39867, 50246, 70966, 75369, 79734, 93023, 106449, 150738, 186046, 212898, 279069, 491693, 558138, 983386, 1475079, 2950158, 3441851, 6883702, 10325553, 20651106]

約数ペア:

[(1, 20651106), (2, 10325553), (3, 6883702), (6, 3441851), (7, 2950158), (14, 1475079), (21, 983386), (37, 558138), (42, 491693), (74, 279069), (97, 212898), (111, 186046), (137, 150738), (194, 106449), (222, 93023), (259, 79734), (274, 75369), (291, 70966), (411, 50246), (518, 39867), (582, 35483), (679, 30414), (777, 26578), (822, 25123), (959, 21534), (1358, 15207), (1554, 13289), (1918, 10767), (2037, 10138), (2877, 7178), (3589, 5754), (4074, 5069)]