20012794638

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{47657}}^1$

素因数の和:47881

約数の個数: 64

約数和(自身を含む): 44470632960

約数和(自身を除く): 24457838322

約数列:

[1, 2, 3, 6, 17, 23, 34, 46, 51, 69, 102, 138, 179, 358, 391, 537, 782, 1074, 1173, 2346, 3043, 4117, 6086, 8234, 9129, 12351, 18258, 24702, 47657, 69989, 95314, 139978, 142971, 209967, 285942, 419934, 810169, 1096111, 1620338, 2192222, 2430507, 3288333, 4861014, 6576666, 8530603, 17061206, 18633887, 25591809, 37267774, 51183618, 55901661, 111803322, 145020251, 196203869, 290040502, 392407738, 435060753, 588611607, 870121506, 1177223214, 3335465773, 6670931546, 10006397319, 20012794638]

約数ペア:

[(1, 20012794638), (2, 10006397319), (3, 6670931546), (6, 3335465773), (17, 1177223214), (23, 870121506), (34, 588611607), (46, 435060753), (51, 392407738), (69, 290040502), (102, 196203869), (138, 145020251), (179, 111803322), (358, 55901661), (391, 51183618), (537, 37267774), (782, 25591809), (1074, 18633887), (1173, 17061206), (2346, 8530603), (3043, 6576666), (4117, 4861014), (6086, 3288333), (8234, 2430507), (9129, 2192222), (12351, 1620338), (18258, 1096111), (24702, 810169), (47657, 419934), (69989, 285942), (95314, 209967), (139978, 142971)]