20043465

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:194

約数の個数: 64

約数和(自身を含む): 37255680

約数和(自身を除く): 17212215

約数列:

[1, 3, 5, 13, 15, 23, 39, 41, 65, 69, 109, 115, 123, 195, 205, 299, 327, 345, 533, 545, 615, 897, 943, 1417, 1495, 1599, 1635, 2507, 2665, 2829, 4251, 4469, 4485, 4715, 7085, 7521, 7995, 12259, 12535, 13407, 14145, 21255, 22345, 32591, 36777, 37605, 58097, 61295, 67035, 97773, 102787, 162955, 174291, 183885, 290485, 308361, 488865, 513935, 871455, 1336231, 1541805, 4008693, 6681155, 20043465]

約数ペア:

[(1, 20043465), (3, 6681155), (5, 4008693), (13, 1541805), (15, 1336231), (23, 871455), (39, 513935), (41, 488865), (65, 308361), (69, 290485), (109, 183885), (115, 174291), (123, 162955), (195, 102787), (205, 97773), (299, 67035), (327, 61295), (345, 58097), (533, 37605), (545, 36777), (615, 32591), (897, 22345), (943, 21255), (1417, 14145), (1495, 13407), (1599, 12535), (1635, 12259), (2507, 7995), (2665, 7521), (2829, 7085), (4251, 4715), (4469, 4485)]