20172788013

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1\times {\mathrm{2659}}^1$

素因数の和:3034

約数の個数: 64

約数和(自身を含む): 33094656000

約数和(自身を除く): 12921867987

約数列:

[1, 3, 7, 17, 21, 51, 79, 119, 237, 269, 357, 553, 807, 1343, 1659, 1883, 2659, 4029, 4573, 5649, 7977, 9401, 13719, 18613, 21251, 28203, 32011, 45203, 55839, 63753, 96033, 135609, 148757, 210061, 316421, 361267, 446271, 630183, 715271, 949263, 1083801, 1470427, 2145813, 2528869, 3571037, 4411281, 5006897, 7586607, 10713111, 12159607, 15020691, 24997259, 36478821, 56506409, 74991777, 85117249, 169519227, 255351747, 395544863, 960608953, 1186634589, 2881826859, 6724262671, 20172788013]

約数ペア:

[(1, 20172788013), (3, 6724262671), (7, 2881826859), (17, 1186634589), (21, 960608953), (51, 395544863), (79, 255351747), (119, 169519227), (237, 85117249), (269, 74991777), (357, 56506409), (553, 36478821), (807, 24997259), (1343, 15020691), (1659, 12159607), (1883, 10713111), (2659, 7586607), (4029, 5006897), (4573, 4411281), (5649, 3571037), (7977, 2528869), (9401, 2145813), (13719, 1470427), (18613, 1083801), (21251, 949263), (28203, 715271), (32011, 630183), (45203, 446271), (55839, 361267), (63753, 316421), (96033, 210061), (135609, 148757)]