20149968225

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{376811}}^1$

素因数の和:376878

約数の個数: 48

約数和(自身を含む): 35884560384

約数和(自身を除く): 15734592159

約数列:

[1, 3, 5, 15, 23, 25, 31, 69, 75, 93, 115, 155, 345, 465, 575, 713, 775, 1725, 2139, 2325, 3565, 10695, 17825, 53475, 376811, 1130433, 1884055, 5652165, 8666653, 9420275, 11681141, 25999959, 28260825, 35043423, 43333265, 58405705, 129999795, 175217115, 216666325, 268666243, 292028525, 649998975, 805998729, 876085575, 1343331215, 4029993645, 6716656075, 20149968225]

約数ペア:

[(1, 20149968225), (3, 6716656075), (5, 4029993645), (15, 1343331215), (23, 876085575), (25, 805998729), (31, 649998975), (69, 292028525), (75, 268666243), (93, 216666325), (115, 175217115), (155, 129999795), (345, 58405705), (465, 43333265), (575, 35043423), (713, 28260825), (775, 25999959), (1725, 11681141), (2139, 9420275), (2325, 8666653), (3565, 5652165), (10695, 1884055), (17825, 1130433), (53475, 376811)]