20155904019

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{439}}^1\times {\mathrm{1619}}^1$

素因数の和:2224

約数の個数: 48

約数和(自身を含む): 30690316800

約数和(自身を除く): 10534412781

約数列:

[1, 3, 9, 23, 69, 137, 207, 411, 439, 1233, 1317, 1619, 3151, 3951, 4857, 9453, 10097, 14571, 28359, 30291, 37237, 60143, 90873, 111711, 180429, 221803, 335133, 541287, 665409, 710741, 1383289, 1996227, 2132223, 4149867, 5101469, 6396669, 12449601, 15304407, 16347043, 45913221, 49041129, 97371517, 147123387, 292114551, 876343653, 2239544891, 6718634673, 20155904019]

約数ペア:

[(1, 20155904019), (3, 6718634673), (9, 2239544891), (23, 876343653), (69, 292114551), (137, 147123387), (207, 97371517), (411, 49041129), (439, 45913221), (1233, 16347043), (1317, 15304407), (1619, 12449601), (3151, 6396669), (3951, 5101469), (4857, 4149867), (9453, 2132223), (10097, 1996227), (14571, 1383289), (28359, 710741), (30291, 665409), (37237, 541287), (60143, 335133), (90873, 221803), (111711, 180429)]