20585550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:298

約数の個数: 96

約数和(自身を含む): 55710720

約数和(自身を除く): 35125170

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 31, 38, 50, 57, 62, 75, 93, 95, 114, 150, 155, 186, 190, 233, 285, 310, 465, 466, 475, 570, 589, 699, 775, 930, 950, 1165, 1178, 1398, 1425, 1550, 1767, 2325, 2330, 2850, 2945, 3495, 3534, 4427, 4650, 5825, 5890, 6990, 7223, 8835, 8854, 11650, 13281, 14446, 14725, 17475, 17670, 21669, 22135, 26562, 29450, 34950, 36115, 43338, 44175, 44270, 66405, 72230, 88350, 108345, 110675, 132810, 137237, 180575, 216690, 221350, 274474, 332025, 361150, 411711, 541725, 664050, 686185, 823422, 1083450, 1372370, 2058555, 3430925, 4117110, 6861850, 10292775, 20585550]

約数ペア:

[(1, 20585550), (2, 10292775), (3, 6861850), (5, 4117110), (6, 3430925), (10, 2058555), (15, 1372370), (19, 1083450), (25, 823422), (30, 686185), (31, 664050), (38, 541725), (50, 411711), (57, 361150), (62, 332025), (75, 274474), (93, 221350), (95, 216690), (114, 180575), (150, 137237), (155, 132810), (186, 110675), (190, 108345), (233, 88350), (285, 72230), (310, 66405), (465, 44270), (466, 44175), (475, 43338), (570, 36115), (589, 34950), (699, 29450), (775, 26562), (930, 22135), (950, 21669), (1165, 17670), (1178, 17475), (1398, 14725), (1425, 14446), (1550, 13281), (1767, 11650), (2325, 8854), (2330, 8835), (2850, 7223), (2945, 6990), (3495, 5890), (3534, 5825), (4427, 4650)]