20193558515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{911}}^1\times {\mathrm{14827}}^1$

素因数の和:15779

約数の個数: 32

約数和(自身を含む): 27262642176

約数和(自身を除く): 7069083661

約数列:

[1, 5, 13, 23, 65, 115, 299, 911, 1495, 4555, 11843, 14827, 20953, 59215, 74135, 104765, 192751, 272389, 341021, 963755, 1361945, 1705105, 4433273, 13507397, 22166365, 67536985, 175596161, 310670131, 877980805, 1553350655, 4038711703, 20193558515]

約数ペア:

[(1, 20193558515), (5, 4038711703), (13, 1553350655), (23, 877980805), (65, 310670131), (115, 175596161), (299, 67536985), (911, 22166365), (1495, 13507397), (4555, 4433273), (11843, 1705105), (14827, 1361945), (20953, 963755), (59215, 341021), (74135, 272389), (104765, 192751)]