20114128

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1013}}^1$

素因数の和:1111

約数の個数: 40

約数和(自身を含む): 41870088

約数和(自身を除く): 21755960

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 73, 136, 146, 272, 292, 584, 1013, 1168, 1241, 2026, 2482, 4052, 4964, 8104, 9928, 16208, 17221, 19856, 34442, 68884, 73949, 137768, 147898, 275536, 295796, 591592, 1183184, 1257133, 2514266, 5028532, 10057064, 20114128]

約数ペア:

[(1, 20114128), (2, 10057064), (4, 5028532), (8, 2514266), (16, 1257133), (17, 1183184), (34, 591592), (68, 295796), (73, 275536), (136, 147898), (146, 137768), (272, 73949), (292, 68884), (584, 34442), (1013, 19856), (1168, 17221), (1241, 16208), (2026, 9928), (2482, 8104), (4052, 4964)]