20121646468

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4027}}^1\times {\mathrm{16223}}^1$

素因数の和:20272

約数の個数: 48

約数和(自身を含む): 43915382784

約数和(自身を除く): 23793736316

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 4027, 8054, 16108, 16223, 28189, 32446, 44297, 56378, 64892, 88594, 112756, 113561, 177188, 178453, 227122, 310079, 356906, 454244, 620158, 713812, 1240316, 1249171, 2498342, 4996684, 65330021, 130660042, 261320084, 457310147, 718630231, 914620294, 1437260462, 1829240588, 2874520924, 5030411617, 10060823234, 20121646468]

約数ペア:

[(1, 20121646468), (2, 10060823234), (4, 5030411617), (7, 2874520924), (11, 1829240588), (14, 1437260462), (22, 914620294), (28, 718630231), (44, 457310147), (77, 261320084), (154, 130660042), (308, 65330021), (4027, 4996684), (8054, 2498342), (16108, 1249171), (16223, 1240316), (28189, 713812), (32446, 620158), (44297, 454244), (56378, 356906), (64892, 310079), (88594, 227122), (112756, 178453), (113561, 177188)]