20172745904

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{74164507}}^1$

素因数の和:74164532

約数の個数: 20

約数和(自身を含む): 41383795464

約数和(自身を除く): 21211049560

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 74164507, 148329014, 296658028, 593316056, 1186632112, 1260796619, 2521593238, 5043186476, 10086372952, 20172745904]

約数ペア:

[(1, 20172745904), (2, 10086372952), (4, 5043186476), (8, 2521593238), (16, 1260796619), (17, 1186632112), (34, 593316056), (68, 296658028), (136, 148329014), (272, 74164507)]