20201598424

素因数分解:

$2^3\times 7^1\times {\mathrm{313}}^1\times {\mathrm{991}}^1\times {\mathrm{1163}}^1$

素因数の和:2480

約数の個数: 64

約数和(自身を含む): 43508643840

約数和(自身を除く): 23307045416

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 313, 626, 991, 1163, 1252, 1982, 2191, 2326, 2504, 3964, 4382, 4652, 6937, 7928, 8141, 8764, 9304, 13874, 16282, 17528, 27748, 32564, 55496, 65128, 310183, 364019, 620366, 728038, 1152533, 1240732, 1456076, 2171281, 2305066, 2481464, 2548133, 2912152, 4342562, 4610132, 5096266, 8067731, 8685124, 9220264, 10192532, 16135462, 17370248, 20385064, 32270924, 64541848, 360742829, 721485658, 1442971316, 2525199803, 2885942632, 5050399606, 10100799212, 20201598424]

約数ペア:

[(1, 20201598424), (2, 10100799212), (4, 5050399606), (7, 2885942632), (8, 2525199803), (14, 1442971316), (28, 721485658), (56, 360742829), (313, 64541848), (626, 32270924), (991, 20385064), (1163, 17370248), (1252, 16135462), (1982, 10192532), (2191, 9220264), (2326, 8685124), (2504, 8067731), (3964, 5096266), (4382, 4610132), (4652, 4342562), (6937, 2912152), (7928, 2548133), (8141, 2481464), (8764, 2305066), (9304, 2171281), (13874, 1456076), (16282, 1240732), (17528, 1152533), (27748, 728038), (32564, 620366), (55496, 364019), (65128, 310183)]