20884650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:176

約数の個数: 96

約数和(自身を含む): 54960768

約数和(自身を除く): 34076118

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 37, 50, 53, 71, 74, 75, 106, 111, 142, 150, 159, 185, 213, 222, 265, 318, 355, 370, 426, 530, 555, 710, 795, 925, 1065, 1110, 1325, 1590, 1775, 1850, 1961, 2130, 2627, 2650, 2775, 3550, 3763, 3922, 3975, 5254, 5325, 5550, 5883, 7526, 7881, 7950, 9805, 10650, 11289, 11766, 13135, 15762, 18815, 19610, 22578, 26270, 29415, 37630, 39405, 49025, 56445, 58830, 65675, 78810, 94075, 98050, 112890, 131350, 139231, 147075, 188150, 197025, 278462, 282225, 294150, 394050, 417693, 564450, 696155, 835386, 1392310, 2088465, 3480775, 4176930, 6961550, 10442325, 20884650]

約数ペア:

[(1, 20884650), (2, 10442325), (3, 6961550), (5, 4176930), (6, 3480775), (10, 2088465), (15, 1392310), (25, 835386), (30, 696155), (37, 564450), (50, 417693), (53, 394050), (71, 294150), (74, 282225), (75, 278462), (106, 197025), (111, 188150), (142, 147075), (150, 139231), (159, 131350), (185, 112890), (213, 98050), (222, 94075), (265, 78810), (318, 65675), (355, 58830), (370, 56445), (426, 49025), (530, 39405), (555, 37630), (710, 29415), (795, 26270), (925, 22578), (1065, 19610), (1110, 18815), (1325, 15762), (1590, 13135), (1775, 11766), (1850, 11289), (1961, 10650), (2130, 9805), (2627, 7950), (2650, 7881), (2775, 7526), (3550, 5883), (3763, 5550), (3922, 5325), (3975, 5254)]