20664350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1$

素因数の和:210

約数の個数: 96

約数和(自身を含む): 48854016

約数和(自身を除く): 28189666

約数列:

[1, 2, 5, 7, 10, 14, 17, 23, 25, 34, 35, 46, 50, 70, 85, 115, 119, 151, 161, 170, 175, 230, 238, 302, 322, 350, 391, 425, 575, 595, 755, 782, 805, 850, 1057, 1150, 1190, 1510, 1610, 1955, 2114, 2567, 2737, 2975, 3473, 3775, 3910, 4025, 5134, 5285, 5474, 5950, 6946, 7550, 8050, 9775, 10570, 12835, 13685, 17365, 17969, 19550, 24311, 25670, 26425, 27370, 34730, 35938, 48622, 52850, 59041, 64175, 68425, 86825, 89845, 118082, 121555, 128350, 136850, 173650, 179690, 243110, 295205, 413287, 449225, 590410, 607775, 826574, 898450, 1215550, 1476025, 2066435, 2952050, 4132870, 10332175, 20664350]

約数ペア:

[(1, 20664350), (2, 10332175), (5, 4132870), (7, 2952050), (10, 2066435), (14, 1476025), (17, 1215550), (23, 898450), (25, 826574), (34, 607775), (35, 590410), (46, 449225), (50, 413287), (70, 295205), (85, 243110), (115, 179690), (119, 173650), (151, 136850), (161, 128350), (170, 121555), (175, 118082), (230, 89845), (238, 86825), (302, 68425), (322, 64175), (350, 59041), (391, 52850), (425, 48622), (575, 35938), (595, 34730), (755, 27370), (782, 26425), (805, 25670), (850, 24311), (1057, 19550), (1150, 17969), (1190, 17365), (1510, 13685), (1610, 12835), (1955, 10570), (2114, 9775), (2567, 8050), (2737, 7550), (2975, 6946), (3473, 5950), (3775, 5474), (3910, 5285), (4025, 5134)]