20819580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{5179}}^1$

素因数の和:5258

約数の個数: 48

約数和(自身を含む): 59176320

約数和(自身を除く): 38356740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 670, 804, 1005, 1340, 2010, 4020, 5179, 10358, 15537, 20716, 25895, 31074, 51790, 62148, 77685, 103580, 155370, 310740, 346993, 693986, 1040979, 1387972, 1734965, 2081958, 3469930, 4163916, 5204895, 6939860, 10409790, 20819580]

約数ペア:

[(1, 20819580), (2, 10409790), (3, 6939860), (4, 5204895), (5, 4163916), (6, 3469930), (10, 2081958), (12, 1734965), (15, 1387972), (20, 1040979), (30, 693986), (60, 346993), (67, 310740), (134, 155370), (201, 103580), (268, 77685), (335, 62148), (402, 51790), (670, 31074), (804, 25895), (1005, 20716), (1340, 15537), (2010, 10358), (4020, 5179)]