20792536

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:196

約数の個数: 64

約数和(自身を含む): 43740000

約数和(自身を除く): 22947464

約数列:

[1, 2, 4, 8, 19, 29, 38, 53, 58, 76, 89, 106, 116, 152, 178, 212, 232, 356, 424, 551, 712, 1007, 1102, 1537, 1691, 2014, 2204, 2581, 3074, 3382, 4028, 4408, 4717, 5162, 6148, 6764, 8056, 9434, 10324, 12296, 13528, 18868, 20648, 29203, 37736, 49039, 58406, 89623, 98078, 116812, 136793, 179246, 196156, 233624, 273586, 358492, 392312, 547172, 716984, 1094344, 2599067, 5198134, 10396268, 20792536]

約数ペア:

[(1, 20792536), (2, 10396268), (4, 5198134), (8, 2599067), (19, 1094344), (29, 716984), (38, 547172), (53, 392312), (58, 358492), (76, 273586), (89, 233624), (106, 196156), (116, 179246), (152, 136793), (178, 116812), (212, 98078), (232, 89623), (356, 58406), (424, 49039), (551, 37736), (712, 29203), (1007, 20648), (1102, 18868), (1537, 13528), (1691, 12296), (2014, 10324), (2204, 9434), (2581, 8056), (3074, 6764), (3382, 6148), (4028, 5162), (4408, 4717)]