20962650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:184

約数の個数: 96

約数和(自身を含む): 55353600

約数和(自身を除く): 34390950

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 29, 30, 50, 58, 61, 75, 79, 87, 122, 145, 150, 158, 174, 183, 237, 290, 305, 366, 395, 435, 474, 610, 725, 790, 870, 915, 1185, 1450, 1525, 1769, 1830, 1975, 2175, 2291, 2370, 3050, 3538, 3950, 4350, 4575, 4582, 4819, 5307, 5925, 6873, 8845, 9150, 9638, 10614, 11455, 11850, 13746, 14457, 17690, 22910, 24095, 26535, 28914, 34365, 44225, 48190, 53070, 57275, 68730, 72285, 88450, 114550, 120475, 132675, 139751, 144570, 171825, 240950, 265350, 279502, 343650, 361425, 419253, 698755, 722850, 838506, 1397510, 2096265, 3493775, 4192530, 6987550, 10481325, 20962650]

約数ペア:

[(1, 20962650), (2, 10481325), (3, 6987550), (5, 4192530), (6, 3493775), (10, 2096265), (15, 1397510), (25, 838506), (29, 722850), (30, 698755), (50, 419253), (58, 361425), (61, 343650), (75, 279502), (79, 265350), (87, 240950), (122, 171825), (145, 144570), (150, 139751), (158, 132675), (174, 120475), (183, 114550), (237, 88450), (290, 72285), (305, 68730), (366, 57275), (395, 53070), (435, 48190), (474, 44225), (610, 34365), (725, 28914), (790, 26535), (870, 24095), (915, 22910), (1185, 17690), (1450, 14457), (1525, 13746), (1769, 11850), (1830, 11455), (1975, 10614), (2175, 9638), (2291, 9150), (2370, 8845), (3050, 6873), (3538, 5925), (3950, 5307), (4350, 4819), (4575, 4582)]