20187659429

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{1031}}^1$

素因数の和:1290

約数の個数: 64

約数和(自身を含む): 26202562560

約数和(自身を除く): 6014903131

約数列:

[1, 7, 19, 23, 37, 133, 161, 173, 259, 437, 703, 851, 1031, 1211, 3059, 3287, 3979, 4921, 5957, 6401, 7217, 16169, 19589, 23009, 23713, 27853, 38147, 44807, 75601, 113183, 121619, 137123, 147223, 165991, 178363, 267029, 450547, 529207, 724793, 851333, 877381, 1030561, 1248541, 2797237, 3153829, 3388897, 4102349, 5073551, 6141667, 6599431, 16670239, 19580659, 23722279, 28716443, 46196017, 77944631, 116691673, 125389189, 151786913, 545612417, 877724323, 1062508391, 2883951347, 20187659429]

約数ペア:

[(1, 20187659429), (7, 2883951347), (19, 1062508391), (23, 877724323), (37, 545612417), (133, 151786913), (161, 125389189), (173, 116691673), (259, 77944631), (437, 46196017), (703, 28716443), (851, 23722279), (1031, 19580659), (1211, 16670239), (3059, 6599431), (3287, 6141667), (3979, 5073551), (4921, 4102349), (5957, 3388897), (6401, 3153829), (7217, 2797237), (16169, 1248541), (19589, 1030561), (23009, 877381), (23713, 851333), (27853, 724793), (38147, 529207), (44807, 450547), (75601, 267029), (113183, 178363), (121619, 165991), (137123, 147223)]