20320827290

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1\times {\mathrm{3929}}^1$

素因数の和:4271

約数の個数: 64

約数和(自身を含む): 38708928000

約数和(自身を除く): 18388100710

約数列:

[1, 2, 5, 10, 23, 46, 113, 115, 199, 226, 230, 398, 565, 995, 1130, 1990, 2599, 3929, 4577, 5198, 7858, 9154, 12995, 19645, 22487, 22885, 25990, 39290, 44974, 45770, 90367, 112435, 180734, 224870, 443977, 451835, 517201, 781871, 887954, 903670, 1034402, 1563742, 2219885, 2586005, 3909355, 4439770, 5172010, 7818710, 10211471, 17983033, 20422942, 35966066, 51057355, 88351423, 89915165, 102114710, 176702846, 179830330, 441757115, 883514230, 2032082729, 4064165458, 10160413645, 20320827290]

約数ペア:

[(1, 20320827290), (2, 10160413645), (5, 4064165458), (10, 2032082729), (23, 883514230), (46, 441757115), (113, 179830330), (115, 176702846), (199, 102114710), (226, 89915165), (230, 88351423), (398, 51057355), (565, 35966066), (995, 20422942), (1130, 17983033), (1990, 10211471), (2599, 7818710), (3929, 5172010), (4577, 4439770), (5198, 3909355), (7858, 2586005), (9154, 2219885), (12995, 1563742), (19645, 1034402), (22487, 903670), (22885, 887954), (25990, 781871), (39290, 517201), (44974, 451835), (45770, 443977), (90367, 224870), (112435, 180734)]