20313832

素因数分解:

$2^3\times 7^3\times {\mathrm{11}}^1\times {\mathrm{673}}^1$

素因数の和:711

約数の個数: 64

約数和(自身を含む): 48528000

約数和(自身を除く): 28214168

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 343, 392, 539, 616, 673, 686, 1078, 1346, 1372, 2156, 2692, 2744, 3773, 4312, 4711, 5384, 7403, 7546, 9422, 14806, 15092, 18844, 29612, 30184, 32977, 37688, 51821, 59224, 65954, 103642, 131908, 207284, 230839, 263816, 362747, 414568, 461678, 725494, 923356, 1450988, 1846712, 2539229, 2901976, 5078458, 10156916, 20313832]

約数ペア:

[(1, 20313832), (2, 10156916), (4, 5078458), (7, 2901976), (8, 2539229), (11, 1846712), (14, 1450988), (22, 923356), (28, 725494), (44, 461678), (49, 414568), (56, 362747), (77, 263816), (88, 230839), (98, 207284), (154, 131908), (196, 103642), (308, 65954), (343, 59224), (392, 51821), (539, 37688), (616, 32977), (673, 30184), (686, 29612), (1078, 18844), (1346, 15092), (1372, 14806), (2156, 9422), (2692, 7546), (2744, 7403), (3773, 5384), (4312, 4711)]