20121424505

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{940913}}^1$

素因数の和:940985

約数の個数: 32

約数和(自身を含む): 30350121984

約数和(自身を除く): 10228697479

約数列:

[1, 5, 7, 13, 35, 47, 65, 91, 235, 329, 455, 611, 1645, 3055, 4277, 21385, 940913, 4704565, 6586391, 12231869, 32931955, 44222911, 61159345, 85623083, 221114555, 309560377, 428115415, 574897843, 1547801885, 2874489215, 4024284901, 20121424505]

約数ペア:

[(1, 20121424505), (5, 4024284901), (7, 2874489215), (13, 1547801885), (35, 574897843), (47, 428115415), (65, 309560377), (91, 221114555), (235, 85623083), (329, 61159345), (455, 44222911), (611, 32931955), (1645, 12231869), (3055, 6586391), (4277, 4704565), (21385, 940913)]