20028108960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13908409}}^1$

素因数の和:13908430

約数の個数: 72

約数和(自身を含む): 68345926740

約数和(自身を除く): 48317817780

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, 13908409, 27816818, 41725227, 55633636, 69542045, 83450454, 111267272, 125175681, 139084090, 166900908, 208626135, 222534544, 250351362, 278168180, 333801816, 417252270, 445069088, 500702724, 556336360, 625878405, 667603632, 834504540, 1001405448, 1112672720, 1251756810, 1335207264, 1669009080, 2002810896, 2225345440, 2503513620, 3338018160, 4005621792, 5007027240, 6676036320, 10014054480, 20028108960]

約数ペア:

[(1, 20028108960), (2, 10014054480), (3, 6676036320), (4, 5007027240), (5, 4005621792), (6, 3338018160), (8, 2503513620), (9, 2225345440), (10, 2002810896), (12, 1669009080), (15, 1335207264), (16, 1251756810), (18, 1112672720), (20, 1001405448), (24, 834504540), (30, 667603632), (32, 625878405), (36, 556336360), (40, 500702724), (45, 445069088), (48, 417252270), (60, 333801816), (72, 278168180), (80, 250351362), (90, 222534544), (96, 208626135), (120, 166900908), (144, 139084090), (160, 125175681), (180, 111267272), (240, 83450454), (288, 69542045), (360, 55633636), (480, 41725227), (720, 27816818), (1440, 13908409)]