20970384

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{829}}^1$

素因数の和:888

約数の個数: 80

約数和(自身を含む): 59281920

約数和(自身を除く): 38311536

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 31, 34, 48, 51, 62, 68, 93, 102, 124, 136, 186, 204, 248, 272, 372, 408, 496, 527, 744, 816, 829, 1054, 1488, 1581, 1658, 2108, 2487, 3162, 3316, 4216, 4974, 6324, 6632, 8432, 9948, 12648, 13264, 14093, 19896, 25296, 25699, 28186, 39792, 42279, 51398, 56372, 77097, 84558, 102796, 112744, 154194, 169116, 205592, 225488, 308388, 338232, 411184, 436883, 616776, 676464, 873766, 1233552, 1310649, 1747532, 2621298, 3495064, 5242596, 6990128, 10485192, 20970384]

約数ペア:

[(1, 20970384), (2, 10485192), (3, 6990128), (4, 5242596), (6, 3495064), (8, 2621298), (12, 1747532), (16, 1310649), (17, 1233552), (24, 873766), (31, 676464), (34, 616776), (48, 436883), (51, 411184), (62, 338232), (68, 308388), (93, 225488), (102, 205592), (124, 169116), (136, 154194), (186, 112744), (204, 102796), (248, 84558), (272, 77097), (372, 56372), (408, 51398), (496, 42279), (527, 39792), (744, 28186), (816, 25699), (829, 25296), (1054, 19896), (1488, 14093), (1581, 13264), (1658, 12648), (2108, 9948), (2487, 8432), (3162, 6632), (3316, 6324), (4216, 4974)]