20323730

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:136

約数の個数: 96

約数和(自身を含む): 46785600

約数和(自身を除く): 26461870

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 37, 38, 49, 59, 70, 74, 95, 98, 118, 133, 185, 190, 245, 259, 266, 295, 370, 413, 490, 518, 590, 665, 703, 826, 931, 1121, 1295, 1330, 1406, 1813, 1862, 2065, 2183, 2242, 2590, 2891, 3515, 3626, 4130, 4366, 4655, 4921, 5605, 5782, 7030, 7847, 9065, 9310, 9842, 10915, 11210, 14455, 15281, 15694, 18130, 21830, 24605, 28910, 30562, 34447, 39235, 41477, 49210, 54929, 68894, 76405, 78470, 82954, 106967, 109858, 152810, 172235, 207385, 213934, 274645, 290339, 344470, 414770, 534835, 549290, 580678, 1069670, 1451695, 2032373, 2903390, 4064746, 10161865, 20323730]

約数ペア:

[(1, 20323730), (2, 10161865), (5, 4064746), (7, 2903390), (10, 2032373), (14, 1451695), (19, 1069670), (35, 580678), (37, 549290), (38, 534835), (49, 414770), (59, 344470), (70, 290339), (74, 274645), (95, 213934), (98, 207385), (118, 172235), (133, 152810), (185, 109858), (190, 106967), (245, 82954), (259, 78470), (266, 76405), (295, 68894), (370, 54929), (413, 49210), (490, 41477), (518, 39235), (590, 34447), (665, 30562), (703, 28910), (826, 24605), (931, 21830), (1121, 18130), (1295, 15694), (1330, 15281), (1406, 14455), (1813, 11210), (1862, 10915), (2065, 9842), (2183, 9310), (2242, 9065), (2590, 7847), (2891, 7030), (3515, 5782), (3626, 5605), (4130, 4921), (4366, 4655)]