20201653020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{636473}}^1$

素因数の和:636531

約数の個数: 72

約数和(自身を含む): 59130980496

約数和(自身を除く): 38929327476

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 529, 690, 1058, 1380, 1587, 2116, 2645, 3174, 5290, 6348, 7935, 10580, 15870, 31740, 636473, 1272946, 1909419, 2545892, 3182365, 3818838, 6364730, 7637676, 9547095, 12729460, 14638879, 19094190, 29277758, 38188380, 43916637, 58555516, 73194395, 87833274, 146388790, 175666548, 219583185, 292777580, 336694217, 439166370, 673388434, 878332740, 1010082651, 1346776868, 1683471085, 2020165302, 3366942170, 4040330604, 5050413255, 6733884340, 10100826510, 20201653020]

約数ペア:

[(1, 20201653020), (2, 10100826510), (3, 6733884340), (4, 5050413255), (5, 4040330604), (6, 3366942170), (10, 2020165302), (12, 1683471085), (15, 1346776868), (20, 1010082651), (23, 878332740), (30, 673388434), (46, 439166370), (60, 336694217), (69, 292777580), (92, 219583185), (115, 175666548), (138, 146388790), (230, 87833274), (276, 73194395), (345, 58555516), (460, 43916637), (529, 38188380), (690, 29277758), (1058, 19094190), (1380, 14638879), (1587, 12729460), (2116, 9547095), (2645, 7637676), (3174, 6364730), (5290, 3818838), (6348, 3182365), (7935, 2545892), (10580, 1909419), (15870, 1272946), (31740, 636473)]