20039250

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1$

素因数の和:385

約数の個数: 128

約数和(自身を含む): 62539776

約数和(自身を除く): 42500526

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 25, 30, 33, 35, 42, 50, 55, 66, 70, 75, 77, 105, 110, 125, 150, 154, 165, 175, 210, 231, 250, 275, 330, 347, 350, 375, 385, 462, 525, 550, 694, 750, 770, 825, 875, 1041, 1050, 1155, 1375, 1650, 1735, 1750, 1925, 2082, 2310, 2429, 2625, 2750, 3470, 3817, 3850, 4125, 4858, 5205, 5250, 5775, 7287, 7634, 8250, 8675, 9625, 10410, 11451, 11550, 12145, 14574, 17350, 19085, 19250, 22902, 24290, 26025, 26719, 28875, 36435, 38170, 43375, 52050, 53438, 57255, 57750, 60725, 72870, 80157, 86750, 95425, 114510, 121450, 130125, 133595, 160314, 182175, 190850, 260250, 267190, 286275, 303625, 364350, 400785, 477125, 572550, 607250, 667975, 801570, 910875, 954250, 1335950, 1431375, 1821750, 2003925, 2862750, 3339875, 4007850, 6679750, 10019625, 20039250]

約数ペア:

[(1, 20039250), (2, 10019625), (3, 6679750), (5, 4007850), (6, 3339875), (7, 2862750), (10, 2003925), (11, 1821750), (14, 1431375), (15, 1335950), (21, 954250), (22, 910875), (25, 801570), (30, 667975), (33, 607250), (35, 572550), (42, 477125), (50, 400785), (55, 364350), (66, 303625), (70, 286275), (75, 267190), (77, 260250), (105, 190850), (110, 182175), (125, 160314), (150, 133595), (154, 130125), (165, 121450), (175, 114510), (210, 95425), (231, 86750), (250, 80157), (275, 72870), (330, 60725), (347, 57750), (350, 57255), (375, 53438), (385, 52050), (462, 43375), (525, 38170), (550, 36435), (694, 28875), (750, 26719), (770, 26025), (825, 24290), (875, 22902), (1041, 19250), (1050, 19085), (1155, 17350), (1375, 14574), (1650, 12145), (1735, 11550), (1750, 11451), (1925, 10410), (2082, 9625), (2310, 8675), (2429, 8250), (2625, 7634), (2750, 7287), (3470, 5775), (3817, 5250), (3850, 5205), (4125, 4858)]