20385036

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1973}}^1$

素因数の和:2031

約数の個数: 72

約数和(自身を含む): 60357024

約数和(自身を除く): 39971988

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 41, 42, 63, 82, 84, 123, 126, 164, 246, 252, 287, 369, 492, 574, 738, 861, 1148, 1476, 1722, 1973, 2583, 3444, 3946, 5166, 5919, 7892, 10332, 11838, 13811, 17757, 23676, 27622, 35514, 41433, 55244, 71028, 80893, 82866, 124299, 161786, 165732, 242679, 248598, 323572, 485358, 497196, 566251, 728037, 970716, 1132502, 1456074, 1698753, 2265004, 2912148, 3397506, 5096259, 6795012, 10192518, 20385036]

約数ペア:

[(1, 20385036), (2, 10192518), (3, 6795012), (4, 5096259), (6, 3397506), (7, 2912148), (9, 2265004), (12, 1698753), (14, 1456074), (18, 1132502), (21, 970716), (28, 728037), (36, 566251), (41, 497196), (42, 485358), (63, 323572), (82, 248598), (84, 242679), (123, 165732), (126, 161786), (164, 124299), (246, 82866), (252, 80893), (287, 71028), (369, 55244), (492, 41433), (574, 35514), (738, 27622), (861, 23676), (1148, 17757), (1476, 13811), (1722, 11838), (1973, 10332), (2583, 7892), (3444, 5919), (3946, 5166)]