20121856300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{21893}}^1$

素因数の和:22028

約数の個数: 144

約数和(自身を含む): 54275401152

約数和(自身を除く): 34153544852

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 101, 130, 140, 175, 182, 202, 260, 325, 350, 364, 404, 455, 505, 650, 700, 707, 910, 1010, 1300, 1313, 1414, 1820, 2020, 2275, 2525, 2626, 2828, 3535, 4550, 5050, 5252, 6565, 7070, 9100, 9191, 10100, 13130, 14140, 17675, 18382, 21893, 26260, 32825, 35350, 36764, 43786, 45955, 65650, 70700, 87572, 91910, 109465, 131300, 153251, 183820, 218930, 229775, 284609, 306502, 437860, 459550, 547325, 569218, 613004, 766255, 919100, 1094650, 1138436, 1423045, 1532510, 1992263, 2189300, 2211193, 2846090, 3065020, 3831275, 3984526, 4422386, 5692180, 7115225, 7662550, 7969052, 8844772, 9961315, 11055965, 14230450, 15325100, 15478351, 19922630, 22111930, 28460900, 28745509, 30956702, 39845260, 44223860, 49806575, 55279825, 57491018, 61913404, 77391755, 99613150, 110559650, 114982036, 143727545, 154783510, 199226300, 201218563, 221119300, 287455090, 309567020, 386958775, 402437126, 574910180, 718637725, 773917550, 804874252, 1006092815, 1437275450, 1547835100, 2012185630, 2874550900, 4024371260, 5030464075, 10060928150, 20121856300]

約数ペア:

[(1, 20121856300), (2, 10060928150), (4, 5030464075), (5, 4024371260), (7, 2874550900), (10, 2012185630), (13, 1547835100), (14, 1437275450), (20, 1006092815), (25, 804874252), (26, 773917550), (28, 718637725), (35, 574910180), (50, 402437126), (52, 386958775), (65, 309567020), (70, 287455090), (91, 221119300), (100, 201218563), (101, 199226300), (130, 154783510), (140, 143727545), (175, 114982036), (182, 110559650), (202, 99613150), (260, 77391755), (325, 61913404), (350, 57491018), (364, 55279825), (404, 49806575), (455, 44223860), (505, 39845260), (650, 30956702), (700, 28745509), (707, 28460900), (910, 22111930), (1010, 19922630), (1300, 15478351), (1313, 15325100), (1414, 14230450), (1820, 11055965), (2020, 9961315), (2275, 8844772), (2525, 7969052), (2626, 7662550), (2828, 7115225), (3535, 5692180), (4550, 4422386), (5050, 3984526), (5252, 3831275), (6565, 3065020), (7070, 2846090), (9100, 2211193), (9191, 2189300), (10100, 1992263), (13130, 1532510), (14140, 1423045), (17675, 1138436), (18382, 1094650), (21893, 919100), (26260, 766255), (32825, 613004), (35350, 569218), (36764, 547325), (43786, 459550), (45955, 437860), (65650, 306502), (70700, 284609), (87572, 229775), (91910, 218930), (109465, 183820), (131300, 153251)]