20710416

素因数分解:

$2^4\times 3^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:244

約数の個数: 80

約数和(自身を含む): 55710720

約数和(自身を除く): 35000304

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 59, 71, 103, 118, 142, 177, 206, 213, 236, 284, 309, 354, 412, 426, 472, 568, 618, 708, 824, 852, 944, 1136, 1236, 1416, 1648, 1704, 2472, 2832, 3408, 4189, 4944, 6077, 7313, 8378, 12154, 12567, 14626, 16756, 18231, 21939, 24308, 25134, 29252, 33512, 36462, 43878, 48616, 50268, 58504, 67024, 72924, 87756, 97232, 100536, 117008, 145848, 175512, 201072, 291696, 351024, 431467, 862934, 1294401, 1725868, 2588802, 3451736, 5177604, 6903472, 10355208, 20710416]

約数ペア:

[(1, 20710416), (2, 10355208), (3, 6903472), (4, 5177604), (6, 3451736), (8, 2588802), (12, 1725868), (16, 1294401), (24, 862934), (48, 431467), (59, 351024), (71, 291696), (103, 201072), (118, 175512), (142, 145848), (177, 117008), (206, 100536), (213, 97232), (236, 87756), (284, 72924), (309, 67024), (354, 58504), (412, 50268), (426, 48616), (472, 43878), (568, 36462), (618, 33512), (708, 29252), (824, 25134), (852, 24308), (944, 21939), (1136, 18231), (1236, 16756), (1416, 14626), (1648, 12567), (1704, 12154), (2472, 8378), (2832, 7313), (3408, 6077), (4189, 4944)]