20744852025

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{3457}}^1$

素因数の和:3619

約数の個数: 96

約数和(自身を含む): 37047628800

約数和(自身を除く): 16302776775

約数列:

[1, 3, 5, 15, 25, 29, 31, 75, 87, 89, 93, 145, 155, 267, 435, 445, 465, 725, 775, 899, 1335, 2175, 2225, 2325, 2581, 2697, 2759, 3457, 4495, 6675, 7743, 8277, 10371, 12905, 13485, 13795, 17285, 22475, 38715, 41385, 51855, 64525, 67425, 68975, 80011, 86425, 100253, 107167, 193575, 206925, 240033, 259275, 300759, 307673, 321501, 400055, 501265, 535835, 923019, 1200165, 1503795, 1538365, 1607505, 2000275, 2506325, 2679175, 3107843, 4615095, 6000825, 7518975, 7691825, 8037525, 8922517, 9323529, 9537863, 15539215, 23075475, 26767551, 28613589, 44612585, 46617645, 47689315, 77696075, 133837755, 143067945, 223062925, 233088225, 238446575, 276598027, 669188775, 715339725, 829794081, 1382990135, 4148970405, 6914950675, 20744852025]

約数ペア:

[(1, 20744852025), (3, 6914950675), (5, 4148970405), (15, 1382990135), (25, 829794081), (29, 715339725), (31, 669188775), (75, 276598027), (87, 238446575), (89, 233088225), (93, 223062925), (145, 143067945), (155, 133837755), (267, 77696075), (435, 47689315), (445, 46617645), (465, 44612585), (725, 28613589), (775, 26767551), (899, 23075475), (1335, 15539215), (2175, 9537863), (2225, 9323529), (2325, 8922517), (2581, 8037525), (2697, 7691825), (2759, 7518975), (3457, 6000825), (4495, 4615095), (6675, 3107843), (7743, 2679175), (8277, 2506325), (10371, 2000275), (12905, 1607505), (13485, 1538365), (13795, 1503795), (17285, 1200165), (22475, 923019), (38715, 535835), (41385, 501265), (51855, 400055), (64525, 321501), (67425, 307673), (68975, 300759), (80011, 259275), (86425, 240033), (100253, 206925), (107167, 193575)]