20792336900

素因数分解:

$2^2\times 5^2\times {\mathrm{449}}^1\times {\mathrm{571}}^1\times {\mathrm{811}}^1$

素因数の和:1845

約数の個数: 72

約数和(自身を含む): 45354909600

約数和(自身を除く): 24562572700

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 449, 571, 811, 898, 1142, 1622, 1796, 2245, 2284, 2855, 3244, 4055, 4490, 5710, 8110, 8980, 11225, 11420, 14275, 16220, 20275, 22450, 28550, 40550, 44900, 57100, 81100, 256379, 364139, 463081, 512758, 728278, 926162, 1025516, 1281895, 1456556, 1820695, 1852324, 2315405, 2563790, 3641390, 4630810, 5127580, 6409475, 7282780, 9103475, 9261620, 11577025, 12818950, 18206950, 23154050, 25637900, 36413900, 46308100, 207923369, 415846738, 831693476, 1039616845, 2079233690, 4158467380, 5198084225, 10396168450, 20792336900]

約数ペア:

[(1, 20792336900), (2, 10396168450), (4, 5198084225), (5, 4158467380), (10, 2079233690), (20, 1039616845), (25, 831693476), (50, 415846738), (100, 207923369), (449, 46308100), (571, 36413900), (811, 25637900), (898, 23154050), (1142, 18206950), (1622, 12818950), (1796, 11577025), (2245, 9261620), (2284, 9103475), (2855, 7282780), (3244, 6409475), (4055, 5127580), (4490, 4630810), (5710, 3641390), (8110, 2563790), (8980, 2315405), (11225, 1852324), (11420, 1820695), (14275, 1456556), (16220, 1281895), (20275, 1025516), (22450, 926162), (28550, 728278), (40550, 512758), (44900, 463081), (57100, 364139), (81100, 256379)]