20391450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{2029}}^1$

素因数の和:2111

約数の個数: 48

約数和(自身を含む): 51350880

約数和(自身を除く): 30959430

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 67, 75, 134, 150, 201, 335, 402, 670, 1005, 1675, 2010, 2029, 3350, 4058, 5025, 6087, 10050, 10145, 12174, 20290, 30435, 50725, 60870, 101450, 135943, 152175, 271886, 304350, 407829, 679715, 815658, 1359430, 2039145, 3398575, 4078290, 6797150, 10195725, 20391450]

約数ペア:

[(1, 20391450), (2, 10195725), (3, 6797150), (5, 4078290), (6, 3398575), (10, 2039145), (15, 1359430), (25, 815658), (30, 679715), (50, 407829), (67, 304350), (75, 271886), (134, 152175), (150, 135943), (201, 101450), (335, 60870), (402, 50725), (670, 30435), (1005, 20290), (1675, 12174), (2010, 10145), (2029, 10050), (3350, 6087), (4058, 5025)]