20155914

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:555

約数の個数: 48

約数和(自身を含む): 46612800

約数和(自身を除く): 26456886

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 199, 306, 331, 398, 597, 662, 993, 1194, 1791, 1986, 2979, 3383, 3582, 5627, 5958, 6766, 10149, 11254, 16881, 20298, 30447, 33762, 50643, 60894, 65869, 101286, 131738, 197607, 395214, 592821, 1119773, 1185642, 2239546, 3359319, 6718638, 10077957, 20155914]

約数ペア:

[(1, 20155914), (2, 10077957), (3, 6718638), (6, 3359319), (9, 2239546), (17, 1185642), (18, 1119773), (34, 592821), (51, 395214), (102, 197607), (153, 131738), (199, 101286), (306, 65869), (331, 60894), (398, 50643), (597, 33762), (662, 30447), (993, 20298), (1194, 16881), (1791, 11254), (1986, 10149), (2979, 6766), (3383, 5958), (3582, 5627)]