20342203120

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{98519}}^1$

素因数の和:98650

約数の個数: 80

約数和(自身を含む): 49476744000

約数和(自身を除く): 29134540880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 89, 116, 145, 178, 232, 290, 356, 445, 464, 580, 712, 890, 1160, 1424, 1780, 2320, 2581, 3560, 5162, 7120, 10324, 12905, 20648, 25810, 41296, 51620, 98519, 103240, 197038, 206480, 394076, 492595, 788152, 985190, 1576304, 1970380, 2857051, 3940760, 5714102, 7881520, 8768191, 11428204, 14285255, 17536382, 22856408, 28570510, 35072764, 43840955, 45712816, 57141020, 70145528, 87681910, 114282040, 140291056, 175363820, 228564080, 254277539, 350727640, 508555078, 701455280, 1017110156, 1271387695, 2034220312, 2542775390, 4068440624, 5085550780, 10171101560, 20342203120]

約数ペア:

[(1, 20342203120), (2, 10171101560), (4, 5085550780), (5, 4068440624), (8, 2542775390), (10, 2034220312), (16, 1271387695), (20, 1017110156), (29, 701455280), (40, 508555078), (58, 350727640), (80, 254277539), (89, 228564080), (116, 175363820), (145, 140291056), (178, 114282040), (232, 87681910), (290, 70145528), (356, 57141020), (445, 45712816), (464, 43840955), (580, 35072764), (712, 28570510), (890, 22856408), (1160, 17536382), (1424, 14285255), (1780, 11428204), (2320, 8768191), (2581, 7881520), (3560, 5714102), (5162, 3940760), (7120, 2857051), (10324, 1970380), (12905, 1576304), (20648, 985190), (25810, 788152), (41296, 492595), (51620, 394076), (98519, 206480), (103240, 197038)]