20244364

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{281}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 42448896

約数和(自身を除く): 22204532

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 83, 124, 166, 217, 281, 332, 434, 562, 581, 868, 1124, 1162, 1967, 2324, 2573, 3934, 5146, 7868, 8711, 10292, 17422, 18011, 23323, 34844, 36022, 46646, 60977, 72044, 93292, 121954, 163261, 243908, 326522, 653044, 723013, 1446026, 2892052, 5061091, 10122182, 20244364]

約数ペア:

[(1, 20244364), (2, 10122182), (4, 5061091), (7, 2892052), (14, 1446026), (28, 723013), (31, 653044), (62, 326522), (83, 243908), (124, 163261), (166, 121954), (217, 93292), (281, 72044), (332, 60977), (434, 46646), (562, 36022), (581, 34844), (868, 23323), (1124, 18011), (1162, 17422), (1967, 10292), (2324, 8711), (2573, 7868), (3934, 5146)]