20993952

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{4463}}^1$

素因数の和:4490

約数の個数: 72

約数和(自身を含む): 64120896

約数和(自身を除く): 43126944

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 168, 196, 224, 294, 336, 392, 588, 672, 784, 1176, 1568, 2352, 4463, 4704, 8926, 13389, 17852, 26778, 31241, 35704, 53556, 62482, 71408, 93723, 107112, 124964, 142816, 187446, 214224, 218687, 249928, 374892, 428448, 437374, 499856, 656061, 749784, 874748, 999712, 1312122, 1499568, 1749496, 2624244, 2999136, 3498992, 5248488, 6997984, 10496976, 20993952]

約数ペア:

[(1, 20993952), (2, 10496976), (3, 6997984), (4, 5248488), (6, 3498992), (7, 2999136), (8, 2624244), (12, 1749496), (14, 1499568), (16, 1312122), (21, 999712), (24, 874748), (28, 749784), (32, 656061), (42, 499856), (48, 437374), (49, 428448), (56, 374892), (84, 249928), (96, 218687), (98, 214224), (112, 187446), (147, 142816), (168, 124964), (196, 107112), (224, 93723), (294, 71408), (336, 62482), (392, 53556), (588, 35704), (672, 31241), (784, 26778), (1176, 17852), (1568, 13389), (2352, 8926), (4463, 4704)]