20100103905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{34129}}^1$

素因数の和:34294

約数の個数: 64

約数和(自身を含む): 37745049600

約数和(自身を除く): 17644945695

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 79, 105, 213, 237, 355, 395, 497, 553, 1065, 1185, 1491, 1659, 2485, 2765, 5609, 7455, 8295, 16827, 28045, 34129, 39263, 84135, 102387, 117789, 170645, 196315, 238903, 511935, 588945, 716709, 1194515, 2423159, 2696191, 3583545, 7269477, 8088573, 12115795, 13480955, 16962113, 18873337, 36347385, 40442865, 50886339, 56620011, 84810565, 94366685, 191429561, 254431695, 283100055, 574288683, 957147805, 1340006927, 2871443415, 4020020781, 6700034635, 20100103905]

約数ペア:

[(1, 20100103905), (3, 6700034635), (5, 4020020781), (7, 2871443415), (15, 1340006927), (21, 957147805), (35, 574288683), (71, 283100055), (79, 254431695), (105, 191429561), (213, 94366685), (237, 84810565), (355, 56620011), (395, 50886339), (497, 40442865), (553, 36347385), (1065, 18873337), (1185, 16962113), (1491, 13480955), (1659, 12115795), (2485, 8088573), (2765, 7269477), (5609, 3583545), (7455, 2696191), (8295, 2423159), (16827, 1194515), (28045, 716709), (34129, 588945), (39263, 511935), (84135, 238903), (102387, 196315), (117789, 170645)]