20694933

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1$

素因数の和:168

約数の個数: 80

約数和(自身を含む): 39726720

約数和(自身を除く): 19031787

約数列:

[1, 3, 7, 9, 17, 19, 21, 27, 51, 57, 63, 81, 113, 119, 133, 153, 171, 189, 323, 339, 357, 399, 459, 513, 567, 791, 969, 1017, 1071, 1197, 1377, 1539, 1921, 2147, 2261, 2373, 2907, 3051, 3213, 3591, 5763, 6441, 6783, 7119, 8721, 9153, 9639, 10773, 13447, 15029, 17289, 19323, 20349, 21357, 26163, 36499, 40341, 45087, 51867, 57969, 61047, 64071, 109497, 121023, 135261, 155601, 173907, 183141, 255493, 328491, 363069, 405783, 766479, 985473, 1089207, 1217349, 2299437, 2956419, 6898311, 20694933]

約数ペア:

[(1, 20694933), (3, 6898311), (7, 2956419), (9, 2299437), (17, 1217349), (19, 1089207), (21, 985473), (27, 766479), (51, 405783), (57, 363069), (63, 328491), (81, 255493), (113, 183141), (119, 173907), (133, 155601), (153, 135261), (171, 121023), (189, 109497), (323, 64071), (339, 61047), (357, 57969), (399, 51867), (459, 45087), (513, 40341), (567, 36499), (791, 26163), (969, 21357), (1017, 20349), (1071, 19323), (1197, 17289), (1377, 15029), (1539, 13447), (1921, 10773), (2147, 9639), (2261, 9153), (2373, 8721), (2907, 7119), (3051, 6783), (3213, 6441), (3591, 5763)]