20173551678

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1151}}^1\times {\mathrm{1231}}^1$

素因数の和:2510

約数の個数: 96

約数和(自身を含む): 50480381952

約数和(自身を除く): 30306830274

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 113, 126, 226, 339, 678, 791, 1017, 1151, 1231, 1582, 2034, 2302, 2373, 2462, 3453, 3693, 4746, 6906, 7119, 7386, 8057, 8617, 10359, 11079, 14238, 16114, 17234, 20718, 22158, 24171, 25851, 48342, 51702, 72513, 77553, 130063, 139103, 145026, 155106, 260126, 278206, 390189, 417309, 780378, 834618, 910441, 973721, 1170567, 1251927, 1416881, 1820882, 1947442, 2341134, 2503854, 2731323, 2833762, 2921163, 4250643, 5462646, 5842326, 8193969, 8501286, 8763489, 9918167, 12751929, 16387938, 17526978, 19836334, 25503858, 29754501, 59509002, 89263503, 160107553, 178527006, 320215106, 480322659, 960645318, 1120752871, 1440967977, 2241505742, 2881935954, 3362258613, 6724517226, 10086775839, 20173551678]

約数ペア:

[(1, 20173551678), (2, 10086775839), (3, 6724517226), (6, 3362258613), (7, 2881935954), (9, 2241505742), (14, 1440967977), (18, 1120752871), (21, 960645318), (42, 480322659), (63, 320215106), (113, 178527006), (126, 160107553), (226, 89263503), (339, 59509002), (678, 29754501), (791, 25503858), (1017, 19836334), (1151, 17526978), (1231, 16387938), (1582, 12751929), (2034, 9918167), (2302, 8763489), (2373, 8501286), (2462, 8193969), (3453, 5842326), (3693, 5462646), (4746, 4250643), (6906, 2921163), (7119, 2833762), (7386, 2731323), (8057, 2503854), (8617, 2341134), (10359, 1947442), (11079, 1820882), (14238, 1416881), (16114, 1251927), (17234, 1170567), (20718, 973721), (22158, 910441), (24171, 834618), (25851, 780378), (48342, 417309), (51702, 390189), (72513, 278206), (77553, 260126), (130063, 155106), (139103, 145026)]