20370584

素因数分解:

$2^3\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:125

約数の個数: 64

約数和(自身を含む): 44268000

約数和(自身を除く): 23897416

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 61, 76, 104, 122, 152, 169, 244, 247, 338, 488, 494, 676, 793, 988, 1159, 1352, 1586, 1976, 2197, 2318, 3172, 3211, 4394, 4636, 6344, 6422, 8788, 9272, 10309, 12844, 15067, 17576, 20618, 25688, 30134, 41236, 41743, 60268, 82472, 83486, 120536, 134017, 166972, 195871, 268034, 333944, 391742, 536068, 783484, 1072136, 1566968, 2546323, 5092646, 10185292, 20370584]

約数ペア:

[(1, 20370584), (2, 10185292), (4, 5092646), (8, 2546323), (13, 1566968), (19, 1072136), (26, 783484), (38, 536068), (52, 391742), (61, 333944), (76, 268034), (104, 195871), (122, 166972), (152, 134017), (169, 120536), (244, 83486), (247, 82472), (338, 60268), (488, 41743), (494, 41236), (676, 30134), (793, 25688), (988, 20618), (1159, 17576), (1352, 15067), (1586, 12844), (1976, 10309), (2197, 9272), (2318, 8788), (3172, 6422), (3211, 6344), (4394, 4636)]