20819526

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2243}}^1$

素因数の和:2285

約数の個数: 64

約数和(自身を含む): 54286848

約数和(自身を除く): 33467322

約数列:

[1, 2, 3, 6, 7, 13, 14, 17, 21, 26, 34, 39, 42, 51, 78, 91, 102, 119, 182, 221, 238, 273, 357, 442, 546, 663, 714, 1326, 1547, 2243, 3094, 4486, 4641, 6729, 9282, 13458, 15701, 29159, 31402, 38131, 47103, 58318, 76262, 87477, 94206, 114393, 174954, 204113, 228786, 266917, 408226, 495703, 533834, 612339, 800751, 991406, 1224678, 1487109, 1601502, 2974218, 3469921, 6939842, 10409763, 20819526]

約数ペア:

[(1, 20819526), (2, 10409763), (3, 6939842), (6, 3469921), (7, 2974218), (13, 1601502), (14, 1487109), (17, 1224678), (21, 991406), (26, 800751), (34, 612339), (39, 533834), (42, 495703), (51, 408226), (78, 266917), (91, 228786), (102, 204113), (119, 174954), (182, 114393), (221, 94206), (238, 87477), (273, 76262), (357, 58318), (442, 47103), (546, 38131), (663, 31402), (714, 29159), (1326, 15701), (1547, 13458), (2243, 9282), (3094, 6729), (4486, 4641)]