20255550

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:314

約数の個数: 96

約数和(自身を含む): 58281984

約数和(自身を除く): 38026434

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 101, 105, 150, 175, 191, 202, 210, 303, 350, 382, 505, 525, 573, 606, 707, 955, 1010, 1050, 1146, 1337, 1414, 1515, 1910, 2121, 2525, 2674, 2865, 3030, 3535, 4011, 4242, 4775, 5050, 5730, 6685, 7070, 7575, 8022, 9550, 10605, 13370, 14325, 15150, 17675, 19291, 20055, 21210, 28650, 33425, 35350, 38582, 40110, 53025, 57873, 66850, 96455, 100275, 106050, 115746, 135037, 192910, 200550, 270074, 289365, 405111, 482275, 578730, 675185, 810222, 964550, 1350370, 1446825, 2025555, 2893650, 3375925, 4051110, 6751850, 10127775, 20255550]

約数ペア:

[(1, 20255550), (2, 10127775), (3, 6751850), (5, 4051110), (6, 3375925), (7, 2893650), (10, 2025555), (14, 1446825), (15, 1350370), (21, 964550), (25, 810222), (30, 675185), (35, 578730), (42, 482275), (50, 405111), (70, 289365), (75, 270074), (101, 200550), (105, 192910), (150, 135037), (175, 115746), (191, 106050), (202, 100275), (210, 96455), (303, 66850), (350, 57873), (382, 53025), (505, 40110), (525, 38582), (573, 35350), (606, 33425), (707, 28650), (955, 21210), (1010, 20055), (1050, 19291), (1146, 17675), (1337, 15150), (1414, 14325), (1515, 13370), (1910, 10605), (2121, 9550), (2525, 8022), (2674, 7575), (2865, 7070), (3030, 6685), (3535, 5730), (4011, 5050), (4242, 4775)]