20067872

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1213}}^1$

素因数の和:1281

約数の個数: 48

約数和(自身を含む): 44053632

約数和(自身を除く): 23985760

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 47, 88, 94, 176, 188, 352, 376, 517, 752, 1034, 1213, 1504, 2068, 2426, 4136, 4852, 8272, 9704, 13343, 16544, 19408, 26686, 38816, 53372, 57011, 106744, 114022, 213488, 228044, 426976, 456088, 627121, 912176, 1254242, 1824352, 2508484, 5016968, 10033936, 20067872]

約数ペア:

[(1, 20067872), (2, 10033936), (4, 5016968), (8, 2508484), (11, 1824352), (16, 1254242), (22, 912176), (32, 627121), (44, 456088), (47, 426976), (88, 228044), (94, 213488), (176, 114022), (188, 106744), (352, 57011), (376, 53372), (517, 38816), (752, 26686), (1034, 19408), (1213, 16544), (1504, 13343), (2068, 9704), (2426, 8272), (4136, 4852)]