2020123773

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:479

約数の個数: 64

約数和(自身を含む): 3165388800

約数和(自身を除く): 1145265027

約数列:

[1, 3, 9, 27, 31, 79, 93, 137, 223, 237, 279, 411, 669, 711, 837, 1233, 2007, 2133, 2449, 3699, 4247, 6021, 6913, 7347, 10823, 12741, 17617, 20739, 22041, 30551, 32469, 38223, 52851, 62217, 66123, 91653, 97407, 114669, 158553, 186651, 274959, 292221, 335513, 475659, 546127, 824877, 947081, 1006539, 1638381, 2413529, 2841243, 3019617, 4915143, 7240587, 8523729, 9058851, 14745429, 21721761, 25571187, 65165283, 74819399, 224458197, 673374591, 2020123773]

約数ペア:

[(1, 2020123773), (3, 673374591), (9, 224458197), (27, 74819399), (31, 65165283), (79, 25571187), (93, 21721761), (137, 14745429), (223, 9058851), (237, 8523729), (279, 7240587), (411, 4915143), (669, 3019617), (711, 2841243), (837, 2413529), (1233, 1638381), (2007, 1006539), (2133, 947081), (2449, 824877), (3699, 546127), (4247, 475659), (6021, 335513), (6913, 292221), (7347, 274959), (10823, 186651), (12741, 158553), (17617, 114669), (20739, 97407), (22041, 91653), (30551, 66123), (32469, 62217), (38223, 52851)]