20181526540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{75041}}^1$

素因数の和:75187

約数の個数: 96

約数和(自身を含む): 51739357824

約数和(自身を除く): 31557831284

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 113, 119, 140, 170, 226, 238, 340, 452, 476, 565, 595, 791, 1130, 1190, 1582, 1921, 2260, 2380, 3164, 3842, 3955, 7684, 7910, 9605, 13447, 15820, 19210, 26894, 38420, 53788, 67235, 75041, 134470, 150082, 268940, 300164, 375205, 525287, 750410, 1050574, 1275697, 1500820, 2101148, 2551394, 2626435, 5102788, 5252870, 6378485, 8479633, 8929879, 10505740, 12756970, 16959266, 17859758, 25513940, 33918532, 35719516, 42398165, 44649395, 59357431, 84796330, 89298790, 118714862, 144153761, 169592660, 178597580, 237429724, 288307522, 296787155, 576615044, 593574310, 720768805, 1009076327, 1187148620, 1441537610, 2018152654, 2883075220, 4036305308, 5045381635, 10090763270, 20181526540]

約数ペア:

[(1, 20181526540), (2, 10090763270), (4, 5045381635), (5, 4036305308), (7, 2883075220), (10, 2018152654), (14, 1441537610), (17, 1187148620), (20, 1009076327), (28, 720768805), (34, 593574310), (35, 576615044), (68, 296787155), (70, 288307522), (85, 237429724), (113, 178597580), (119, 169592660), (140, 144153761), (170, 118714862), (226, 89298790), (238, 84796330), (340, 59357431), (452, 44649395), (476, 42398165), (565, 35719516), (595, 33918532), (791, 25513940), (1130, 17859758), (1190, 16959266), (1582, 12756970), (1921, 10505740), (2260, 8929879), (2380, 8479633), (3164, 6378485), (3842, 5252870), (3955, 5102788), (7684, 2626435), (7910, 2551394), (9605, 2101148), (13447, 1500820), (15820, 1275697), (19210, 1050574), (26894, 750410), (38420, 525287), (53788, 375205), (67235, 300164), (75041, 268940), (134470, 150082)]