20349714255

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{266899}}^1$

素因数の和:266960

約数の個数: 64

約数和(自身を含む): 38741068800

約数和(自身を除く): 18391354545

約数列:

[1, 3, 5, 13, 15, 17, 23, 39, 51, 65, 69, 85, 115, 195, 221, 255, 299, 345, 391, 663, 897, 1105, 1173, 1495, 1955, 3315, 4485, 5083, 5865, 15249, 25415, 76245, 266899, 800697, 1334495, 3469687, 4003485, 4537283, 6138677, 10409061, 13611849, 17348435, 18416031, 22686415, 30693385, 52045305, 58984679, 68059245, 79802801, 92080155, 104357509, 176954037, 239408403, 294923395, 313072527, 399014005, 521787545, 884770185, 1197042015, 1356647617, 1565362635, 4069942851, 6783238085, 20349714255]

約数ペア:

[(1, 20349714255), (3, 6783238085), (5, 4069942851), (13, 1565362635), (15, 1356647617), (17, 1197042015), (23, 884770185), (39, 521787545), (51, 399014005), (65, 313072527), (69, 294923395), (85, 239408403), (115, 176954037), (195, 104357509), (221, 92080155), (255, 79802801), (299, 68059245), (345, 58984679), (391, 52045305), (663, 30693385), (897, 22686415), (1105, 18416031), (1173, 17348435), (1495, 13611849), (1955, 10409061), (3315, 6138677), (4485, 4537283), (5083, 4003485), (5865, 3469687), (15249, 1334495), (25415, 800697), (76245, 266899)]