16920020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1103}}^1$

素因数の和:1184

約数の個数: 48

約数和(自身を含む): 38949120

約数和(自身を除く): 22029100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 236, 260, 295, 590, 767, 1103, 1180, 1534, 2206, 3068, 3835, 4412, 5515, 7670, 11030, 14339, 15340, 22060, 28678, 57356, 65077, 71695, 130154, 143390, 260308, 286780, 325385, 650770, 846001, 1301540, 1692002, 3384004, 4230005, 8460010, 16920020]

約数ペア:

[(1, 16920020), (2, 8460010), (4, 4230005), (5, 3384004), (10, 1692002), (13, 1301540), (20, 846001), (26, 650770), (52, 325385), (59, 286780), (65, 260308), (118, 143390), (130, 130154), (236, 71695), (260, 65077), (295, 57356), (590, 28678), (767, 22060), (1103, 15340), (1180, 14339), (1534, 11030), (2206, 7670), (3068, 5515), (3835, 4412)]