20953440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{14551}}^1$

素因数の和:14572

約数の個数: 72

約数和(自身を含む): 71508528

約数和(自身を除く): 50555088

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 14551, 29102, 43653, 58204, 72755, 87306, 116408, 130959, 145510, 174612, 218265, 232816, 261918, 291020, 349224, 436530, 465632, 523836, 582040, 654795, 698448, 873060, 1047672, 1164080, 1309590, 1396896, 1746120, 2095344, 2328160, 2619180, 3492240, 4190688, 5238360, 6984480, 10476720, 20953440]

約数ペア:

[(1, 20953440), (2, 10476720), (3, 6984480), (4, 5238360), (5, 4190688), (6, 3492240), (8, 2619180), (9, 2328160), (10, 2095344), (12, 1746120), (15, 1396896), (16, 1309590), (18, 1164080), (20, 1047672), (24, 873060), (30, 698448), (32, 654795), (36, 582040), (40, 523836), (45, 465632), (48, 436530), (60, 349224), (72, 291020), (80, 261918), (90, 232816), (96, 218265), (120, 174612), (144, 145510), (160, 130959), (180, 116408), (240, 87306), (288, 72755), (360, 58204), (480, 43653), (720, 29102), (1440, 14551)]