20191446680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{363941}}^1$

素因数の和:364044

約数の個数: 64

約数和(自身を含む): 48477074400

約数和(自身を除く): 28285627720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 73, 76, 95, 146, 152, 190, 292, 365, 380, 584, 730, 760, 1387, 1460, 2774, 2920, 5548, 6935, 11096, 13870, 27740, 55480, 363941, 727882, 1455764, 1819705, 2911528, 3639410, 6914879, 7278820, 13829758, 14557640, 26567693, 27659516, 34574395, 53135386, 55319032, 69148790, 106270772, 132838465, 138297580, 212541544, 265676930, 276595160, 504786167, 531353860, 1009572334, 1062707720, 2019144668, 2523930835, 4038289336, 5047861670, 10095723340, 20191446680]

約数ペア:

[(1, 20191446680), (2, 10095723340), (4, 5047861670), (5, 4038289336), (8, 2523930835), (10, 2019144668), (19, 1062707720), (20, 1009572334), (38, 531353860), (40, 504786167), (73, 276595160), (76, 265676930), (95, 212541544), (146, 138297580), (152, 132838465), (190, 106270772), (292, 69148790), (365, 55319032), (380, 53135386), (584, 34574395), (730, 27659516), (760, 26567693), (1387, 14557640), (1460, 13829758), (2774, 7278820), (2920, 6914879), (5548, 3639410), (6935, 2911528), (11096, 1819705), (13870, 1455764), (27740, 727882), (55480, 363941)]