20615673645

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{202621}}^1$

素因数の和:202675

約数の個数: 96

約数和(自身を含む): 45517006080

約数和(自身を除く): 24901332435

約数列:

[1, 3, 5, 7, 9, 15, 17, 19, 21, 35, 45, 51, 57, 63, 85, 95, 105, 119, 133, 153, 171, 255, 285, 315, 323, 357, 399, 595, 665, 765, 855, 969, 1071, 1197, 1615, 1785, 1995, 2261, 2907, 4845, 5355, 5985, 6783, 11305, 14535, 20349, 33915, 101745, 202621, 607863, 1013105, 1418347, 1823589, 3039315, 3444557, 3849799, 4255041, 7091735, 9117945, 10333671, 11549397, 12765123, 17222785, 19248995, 21275205, 24111899, 26948593, 31001013, 34648191, 51668355, 57746985, 63825615, 65446583, 72335697, 80845779, 120559495, 134742965, 155005065, 173240955, 196339749, 217007091, 242537337, 327232915, 361678485, 404228895, 458126081, 589019247, 981698745, 1085035455, 1212686685, 1374378243, 2290630405, 2945096235, 4123134729, 6871891215, 20615673645]

約数ペア:

[(1, 20615673645), (3, 6871891215), (5, 4123134729), (7, 2945096235), (9, 2290630405), (15, 1374378243), (17, 1212686685), (19, 1085035455), (21, 981698745), (35, 589019247), (45, 458126081), (51, 404228895), (57, 361678485), (63, 327232915), (85, 242537337), (95, 217007091), (105, 196339749), (119, 173240955), (133, 155005065), (153, 134742965), (171, 120559495), (255, 80845779), (285, 72335697), (315, 65446583), (323, 63825615), (357, 57746985), (399, 51668355), (595, 34648191), (665, 31001013), (765, 26948593), (855, 24111899), (969, 21275205), (1071, 19248995), (1197, 17222785), (1615, 12765123), (1785, 11549397), (1995, 10333671), (2261, 9117945), (2907, 7091735), (4845, 4255041), (5355, 3849799), (5985, 3444557), (6783, 3039315), (11305, 1823589), (14535, 1418347), (20349, 1013105), (33915, 607863), (101745, 202621)]