20193536

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 45033408

約数和(自身を除く): 24839872

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 71, 88, 101, 128, 142, 176, 202, 256, 284, 352, 404, 568, 704, 781, 808, 1111, 1136, 1408, 1562, 1616, 2222, 2272, 2816, 3124, 3232, 4444, 4544, 6248, 6464, 7171, 8888, 9088, 12496, 12928, 14342, 17776, 18176, 24992, 25856, 28684, 35552, 49984, 57368, 71104, 78881, 99968, 114736, 142208, 157762, 199936, 229472, 284416, 315524, 458944, 631048, 917888, 1262096, 1835776, 2524192, 5048384, 10096768, 20193536]

約数ペア:

[(1, 20193536), (2, 10096768), (4, 5048384), (8, 2524192), (11, 1835776), (16, 1262096), (22, 917888), (32, 631048), (44, 458944), (64, 315524), (71, 284416), (88, 229472), (101, 199936), (128, 157762), (142, 142208), (176, 114736), (202, 99968), (256, 78881), (284, 71104), (352, 57368), (404, 49984), (568, 35552), (704, 28684), (781, 25856), (808, 24992), (1111, 18176), (1136, 17776), (1408, 14342), (1562, 12928), (1616, 12496), (2222, 9088), (2272, 8888), (2816, 7171), (3124, 6464), (3232, 6248), (4444, 4544)]