20953464

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{653}}^1$

素因数の和:860

約数の個数: 64

約数和(自身を含む): 60272640

約数和(自身を除く): 39319176

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 191, 382, 573, 653, 764, 1146, 1306, 1337, 1528, 1959, 2292, 2612, 2674, 3918, 4011, 4571, 4584, 5224, 5348, 7836, 8022, 9142, 10696, 13713, 15672, 16044, 18284, 27426, 32088, 36568, 54852, 109704, 124723, 249446, 374169, 498892, 748338, 873061, 997784, 1496676, 1746122, 2619183, 2993352, 3492244, 5238366, 6984488, 10476732, 20953464]

約数ペア:

[(1, 20953464), (2, 10476732), (3, 6984488), (4, 5238366), (6, 3492244), (7, 2993352), (8, 2619183), (12, 1746122), (14, 1496676), (21, 997784), (24, 873061), (28, 748338), (42, 498892), (56, 374169), (84, 249446), (168, 124723), (191, 109704), (382, 54852), (573, 36568), (653, 32088), (764, 27426), (1146, 18284), (1306, 16044), (1337, 15672), (1528, 13713), (1959, 10696), (2292, 9142), (2612, 8022), (2674, 7836), (3918, 5348), (4011, 5224), (4571, 4584)]