20165566700

素因数分解:

$2^2\times 5^2\times {\mathrm{157}}^1\times {\mathrm{379}}^1\times {\mathrm{3389}}^1$

素因数の和:3939

約数の個数: 72

約数和(自身を含む): 44167225200

約数和(自身を除く): 24001658500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 157, 314, 379, 628, 758, 785, 1516, 1570, 1895, 3140, 3389, 3790, 3925, 6778, 7580, 7850, 9475, 13556, 15700, 16945, 18950, 33890, 37900, 59503, 67780, 84725, 119006, 169450, 238012, 297515, 338900, 532073, 595030, 1064146, 1190060, 1284431, 1487575, 2128292, 2568862, 2660365, 2975150, 5137724, 5320730, 5950300, 6422155, 10641460, 12844310, 13301825, 25688620, 26603650, 32110775, 53207300, 64221550, 128443100, 201655667, 403311334, 806622668, 1008278335, 2016556670, 4033113340, 5041391675, 10082783350, 20165566700]

約数ペア:

[(1, 20165566700), (2, 10082783350), (4, 5041391675), (5, 4033113340), (10, 2016556670), (20, 1008278335), (25, 806622668), (50, 403311334), (100, 201655667), (157, 128443100), (314, 64221550), (379, 53207300), (628, 32110775), (758, 26603650), (785, 25688620), (1516, 13301825), (1570, 12844310), (1895, 10641460), (3140, 6422155), (3389, 5950300), (3790, 5320730), (3925, 5137724), (6778, 2975150), (7580, 2660365), (7850, 2568862), (9475, 2128292), (13556, 1487575), (15700, 1284431), (16945, 1190060), (18950, 1064146), (33890, 595030), (37900, 532073), (59503, 338900), (67780, 297515), (84725, 238012), (119006, 169450)]