20571883185

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1759}}^1\times {\mathrm{3593}}^1$

素因数の和:5398

約数の個数: 64

約数和(自身を含む): 38863503360

約数和(自身を除く): 18291620175

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 1759, 3255, 3593, 5277, 8795, 10779, 12313, 17965, 25151, 26385, 36939, 53895, 54529, 61565, 75453, 111383, 125755, 163587, 184695, 272645, 334149, 377265, 381703, 556915, 779681, 817935, 1145109, 1670745, 1908515, 2339043, 3898405, 5725545, 6320087, 11695215, 18960261, 31600435, 44240609, 94801305, 132721827, 195922697, 221203045, 587768091, 663609135, 979613485, 1371458879, 2938840455, 4114376637, 6857294395, 20571883185]

約数ペア:

[(1, 20571883185), (3, 6857294395), (5, 4114376637), (7, 2938840455), (15, 1371458879), (21, 979613485), (31, 663609135), (35, 587768091), (93, 221203045), (105, 195922697), (155, 132721827), (217, 94801305), (465, 44240609), (651, 31600435), (1085, 18960261), (1759, 11695215), (3255, 6320087), (3593, 5725545), (5277, 3898405), (8795, 2339043), (10779, 1908515), (12313, 1670745), (17965, 1145109), (25151, 817935), (26385, 779681), (36939, 556915), (53895, 381703), (54529, 377265), (61565, 334149), (75453, 272645), (111383, 184695), (125755, 163587)]