20334465

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1399}}^1$

素因数の和:1446

約数の個数: 48

約数和(自身を含む): 39312000

約数和(自身を除く): 18977535

約数列:

[1, 3, 5, 9, 15, 17, 19, 45, 51, 57, 85, 95, 153, 171, 255, 285, 323, 765, 855, 969, 1399, 1615, 2907, 4197, 4845, 6995, 12591, 14535, 20985, 23783, 26581, 62955, 71349, 79743, 118915, 132905, 214047, 239229, 356745, 398715, 451877, 1070235, 1196145, 1355631, 2259385, 4066893, 6778155, 20334465]

約数ペア:

[(1, 20334465), (3, 6778155), (5, 4066893), (9, 2259385), (15, 1355631), (17, 1196145), (19, 1070235), (45, 451877), (51, 398715), (57, 356745), (85, 239229), (95, 214047), (153, 132905), (171, 118915), (255, 79743), (285, 71349), (323, 62955), (765, 26581), (855, 23783), (969, 20985), (1399, 14535), (1615, 12591), (2907, 6995), (4197, 4845)]