20170023615

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{263}}^1\times {\mathrm{34781}}^1$

素因数の和:35069

約数の個数: 72

約数和(自身を含む): 40825163808

約数和(自身を除く): 20655140193

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 263, 315, 441, 735, 789, 1315, 1841, 2205, 2367, 3945, 5523, 9205, 11835, 12887, 16569, 27615, 34781, 38661, 64435, 82845, 104343, 115983, 173905, 193305, 243467, 313029, 521715, 579915, 730401, 1217335, 1565145, 1704269, 2191203, 3652005, 5112807, 8521345, 9147403, 10956015, 15338421, 25564035, 27442209, 45737015, 64031821, 76692105, 82326627, 137211045, 192095463, 320159105, 411633135, 448222747, 576286389, 960477315, 1344668241, 2241113735, 2881431945, 4034004723, 6723341205, 20170023615]

約数ペア:

[(1, 20170023615), (3, 6723341205), (5, 4034004723), (7, 2881431945), (9, 2241113735), (15, 1344668241), (21, 960477315), (35, 576286389), (45, 448222747), (49, 411633135), (63, 320159105), (105, 192095463), (147, 137211045), (245, 82326627), (263, 76692105), (315, 64031821), (441, 45737015), (735, 27442209), (789, 25564035), (1315, 15338421), (1841, 10956015), (2205, 9147403), (2367, 8521345), (3945, 5112807), (5523, 3652005), (9205, 2191203), (11835, 1704269), (12887, 1565145), (16569, 1217335), (27615, 730401), (34781, 579915), (38661, 521715), (64435, 313029), (82845, 243467), (104343, 193305), (115983, 173905)]