20249905842

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^2\times {\mathrm{919}}^1\times {\mathrm{3391}}^1$

素因数の和:4356

約数の個数: 72

約数和(自身を含む): 46369589760

約数和(自身を除く): 26119683918

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 361, 722, 919, 1083, 1838, 2166, 2757, 3249, 3391, 5514, 6498, 6782, 8271, 10173, 16542, 17461, 20346, 30519, 34922, 52383, 61038, 64429, 104766, 128858, 157149, 193287, 314298, 331759, 386574, 579861, 663518, 995277, 1159722, 1224151, 1990554, 2448302, 2985831, 3116329, 3672453, 5971662, 6232658, 7344906, 9348987, 11017359, 18697974, 22034718, 28046961, 56093922, 59210251, 118420502, 177630753, 355261506, 532892259, 1065784518, 1124994769, 2249989538, 3374984307, 6749968614, 10124952921, 20249905842]

約数ペア:

[(1, 20249905842), (2, 10124952921), (3, 6749968614), (6, 3374984307), (9, 2249989538), (18, 1124994769), (19, 1065784518), (38, 532892259), (57, 355261506), (114, 177630753), (171, 118420502), (342, 59210251), (361, 56093922), (722, 28046961), (919, 22034718), (1083, 18697974), (1838, 11017359), (2166, 9348987), (2757, 7344906), (3249, 6232658), (3391, 5971662), (5514, 3672453), (6498, 3116329), (6782, 2985831), (8271, 2448302), (10173, 1990554), (16542, 1224151), (17461, 1159722), (20346, 995277), (30519, 663518), (34922, 579861), (52383, 386574), (61038, 331759), (64429, 314298), (104766, 193287), (128858, 157149)]