20169972

素因数分解:

$2^2\times 3^6\times {\mathrm{6917}}^1$

素因数の和:6939

約数の個数: 42

約数和(自身を含む): 52929618

約数和(自身を除く): 32759646

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2916, 6917, 13834, 20751, 27668, 41502, 62253, 83004, 124506, 186759, 249012, 373518, 560277, 747036, 1120554, 1680831, 2241108, 3361662, 5042493, 6723324, 10084986, 20169972]

約数ペア:

[(1, 20169972), (2, 10084986), (3, 6723324), (4, 5042493), (6, 3361662), (9, 2241108), (12, 1680831), (18, 1120554), (27, 747036), (36, 560277), (54, 373518), (81, 249012), (108, 186759), (162, 124506), (243, 83004), (324, 62253), (486, 41502), (729, 27668), (972, 20751), (1458, 13834), (2916, 6917)]