20963760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{773}}^1$

素因数の和:902

約数の個数: 80

約数和(自身を含む): 65647584

約数和(自身を除く): 44683824

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 113, 120, 226, 240, 339, 452, 565, 678, 773, 904, 1130, 1356, 1546, 1695, 1808, 2260, 2319, 2712, 3092, 3390, 3865, 4520, 4638, 5424, 6184, 6780, 7730, 9040, 9276, 11595, 12368, 13560, 15460, 18552, 23190, 27120, 30920, 37104, 46380, 61840, 87349, 92760, 174698, 185520, 262047, 349396, 436745, 524094, 698792, 873490, 1048188, 1310235, 1397584, 1746980, 2096376, 2620470, 3493960, 4192752, 5240940, 6987920, 10481880, 20963760]

約数ペア:

[(1, 20963760), (2, 10481880), (3, 6987920), (4, 5240940), (5, 4192752), (6, 3493960), (8, 2620470), (10, 2096376), (12, 1746980), (15, 1397584), (16, 1310235), (20, 1048188), (24, 873490), (30, 698792), (40, 524094), (48, 436745), (60, 349396), (80, 262047), (113, 185520), (120, 174698), (226, 92760), (240, 87349), (339, 61840), (452, 46380), (565, 37104), (678, 30920), (773, 27120), (904, 23190), (1130, 18552), (1356, 15460), (1546, 13560), (1695, 12368), (1808, 11595), (2260, 9276), (2319, 9040), (2712, 7730), (3092, 6780), (3390, 6184), (3865, 5424), (4520, 4638)]