20623550

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1277}}^1$

素因数の和:1325

約数の個数: 48

約数和(自身を含む): 42787440

約数和(自身を除く): 22163890

約数列:

[1, 2, 5, 10, 17, 19, 25, 34, 38, 50, 85, 95, 170, 190, 323, 425, 475, 646, 850, 950, 1277, 1615, 2554, 3230, 6385, 8075, 12770, 16150, 21709, 24263, 31925, 43418, 48526, 63850, 108545, 121315, 217090, 242630, 412471, 542725, 606575, 824942, 1085450, 1213150, 2062355, 4124710, 10311775, 20623550]

約数ペア:

[(1, 20623550), (2, 10311775), (5, 4124710), (10, 2062355), (17, 1213150), (19, 1085450), (25, 824942), (34, 606575), (38, 542725), (50, 412471), (85, 242630), (95, 217090), (170, 121315), (190, 108545), (323, 63850), (425, 48526), (475, 43418), (646, 31925), (850, 24263), (950, 21709), (1277, 16150), (1615, 12770), (2554, 8075), (3230, 6385)]