20294584

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:188

約数の個数: 64

約数和(自身を含む): 42624000

約数和(自身を除く): 22329416

約数列:

[1, 2, 4, 8, 19, 31, 38, 59, 62, 73, 76, 118, 124, 146, 152, 236, 248, 292, 472, 584, 589, 1121, 1178, 1387, 1829, 2242, 2263, 2356, 2774, 3658, 4307, 4484, 4526, 4712, 5548, 7316, 8614, 8968, 9052, 11096, 14632, 17228, 18104, 34456, 34751, 42997, 69502, 81833, 85994, 133517, 139004, 163666, 171988, 267034, 278008, 327332, 343976, 534068, 654664, 1068136, 2536823, 5073646, 10147292, 20294584]

約数ペア:

[(1, 20294584), (2, 10147292), (4, 5073646), (8, 2536823), (19, 1068136), (31, 654664), (38, 534068), (59, 343976), (62, 327332), (73, 278008), (76, 267034), (118, 171988), (124, 163666), (146, 139004), (152, 133517), (236, 85994), (248, 81833), (292, 69502), (472, 42997), (584, 34751), (589, 34456), (1121, 18104), (1178, 17228), (1387, 14632), (1829, 11096), (2242, 9052), (2263, 8968), (2356, 8614), (2774, 7316), (3658, 5548), (4307, 4712), (4484, 4526)]