20788049394

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{1181}}^1\times {\mathrm{2851}}^1$

素因数の和:4061

約数の個数: 96

約数和(自身を含む): 52588598400

約数和(自身を除く): 31800549006

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 343, 441, 686, 882, 1029, 1181, 2058, 2362, 2851, 3087, 3543, 5702, 6174, 7086, 8267, 8553, 10629, 16534, 17106, 19957, 21258, 24801, 25659, 39914, 49602, 51318, 57869, 59871, 74403, 115738, 119742, 139699, 148806, 173607, 179613, 279398, 347214, 359226, 405083, 419097, 520821, 810166, 838194, 977893, 1041642, 1215249, 1257291, 1955786, 2430498, 2514582, 2933679, 3367031, 3645747, 5867358, 6734062, 7291494, 8801037, 10101093, 17602074, 20202186, 23569217, 30303279, 47138434, 60606558, 70707651, 141415302, 164984519, 212122953, 329969038, 424245906, 494953557, 989907114, 1154891633, 1484860671, 2309783266, 2969721342, 3464674899, 6929349798, 10394024697, 20788049394]

約数ペア:

[(1, 20788049394), (2, 10394024697), (3, 6929349798), (6, 3464674899), (7, 2969721342), (9, 2309783266), (14, 1484860671), (18, 1154891633), (21, 989907114), (42, 494953557), (49, 424245906), (63, 329969038), (98, 212122953), (126, 164984519), (147, 141415302), (294, 70707651), (343, 60606558), (441, 47138434), (686, 30303279), (882, 23569217), (1029, 20202186), (1181, 17602074), (2058, 10101093), (2362, 8801037), (2851, 7291494), (3087, 6734062), (3543, 5867358), (5702, 3645747), (6174, 3367031), (7086, 2933679), (8267, 2514582), (8553, 2430498), (10629, 1955786), (16534, 1257291), (17106, 1215249), (19957, 1041642), (21258, 977893), (24801, 838194), (25659, 810166), (39914, 520821), (49602, 419097), (51318, 405083), (57869, 359226), (59871, 347214), (74403, 279398), (115738, 179613), (119742, 173607), (139699, 148806)]