20403224072

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{12893}}^1$

素因数の和:13291

約数の個数: 96

約数和(自身を含む): 48683617920

約数和(自身を除く): 28280393848

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 367, 392, 539, 616, 734, 1078, 1468, 2156, 2569, 2936, 4037, 4312, 5138, 8074, 10276, 12893, 16148, 17983, 20552, 25786, 28259, 32296, 35966, 51572, 56518, 71932, 90251, 103144, 113036, 141823, 143864, 180502, 197813, 226072, 283646, 361004, 395626, 567292, 631757, 722008, 791252, 992761, 1134584, 1263514, 1582504, 1985522, 2527028, 3971044, 4731731, 5054056, 6949327, 7942088, 9463462, 13898654, 18926924, 27797308, 33122117, 37853848, 52049041, 55594616, 66244234, 104098082, 132488468, 208196164, 231854819, 264976936, 364343287, 416392328, 463709638, 728686574, 927419276, 1457373148, 1854838552, 2550403009, 2914746296, 5100806018, 10201612036, 20403224072]

約数ペア:

[(1, 20403224072), (2, 10201612036), (4, 5100806018), (7, 2914746296), (8, 2550403009), (11, 1854838552), (14, 1457373148), (22, 927419276), (28, 728686574), (44, 463709638), (49, 416392328), (56, 364343287), (77, 264976936), (88, 231854819), (98, 208196164), (154, 132488468), (196, 104098082), (308, 66244234), (367, 55594616), (392, 52049041), (539, 37853848), (616, 33122117), (734, 27797308), (1078, 18926924), (1468, 13898654), (2156, 9463462), (2569, 7942088), (2936, 6949327), (4037, 5054056), (4312, 4731731), (5138, 3971044), (8074, 2527028), (10276, 1985522), (12893, 1582504), (16148, 1263514), (17983, 1134584), (20552, 992761), (25786, 791252), (28259, 722008), (32296, 631757), (35966, 567292), (51572, 395626), (56518, 361004), (71932, 283646), (90251, 226072), (103144, 197813), (113036, 180502), (141823, 143864)]