20729129526

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{991}}^1\times {\mathrm{55337}}^1$

素因数の和:56346

約数の個数: 64

約数和(自身を含む): 52699484160

約数和(自身を除く): 31970354634

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 991, 1982, 2973, 5946, 6937, 8919, 13874, 17838, 20811, 26757, 41622, 53514, 55337, 62433, 110674, 124866, 166011, 187299, 332022, 374598, 387359, 498033, 774718, 996066, 1162077, 1494099, 2324154, 2988198, 3486231, 6972462, 10458693, 20917386, 54838967, 109677934, 164516901, 329033802, 383872769, 493550703, 767745538, 987101406, 1151618307, 1480652109, 2303236614, 2961304218, 3454854921, 6909709842, 10364564763, 20729129526]

約数ペア:

[(1, 20729129526), (2, 10364564763), (3, 6909709842), (6, 3454854921), (7, 2961304218), (9, 2303236614), (14, 1480652109), (18, 1151618307), (21, 987101406), (27, 767745538), (42, 493550703), (54, 383872769), (63, 329033802), (126, 164516901), (189, 109677934), (378, 54838967), (991, 20917386), (1982, 10458693), (2973, 6972462), (5946, 3486231), (6937, 2988198), (8919, 2324154), (13874, 1494099), (17838, 1162077), (20811, 996066), (26757, 774718), (41622, 498033), (53514, 387359), (55337, 374598), (62433, 332022), (110674, 187299), (124866, 166011)]