20976816

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1$

素因数の和:586

約数の個数: 80

約数和(自身を含む): 62496000

約数和(自身を除く): 41519184

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 149, 168, 298, 336, 419, 447, 596, 838, 894, 1043, 1192, 1257, 1676, 1788, 2086, 2384, 2514, 2933, 3129, 3352, 3576, 4172, 5028, 5866, 6258, 6704, 7152, 8344, 8799, 10056, 11732, 12516, 16688, 17598, 20112, 23464, 25032, 35196, 46928, 50064, 62431, 70392, 124862, 140784, 187293, 249724, 374586, 437017, 499448, 749172, 874034, 998896, 1311051, 1498344, 1748068, 2622102, 2996688, 3496136, 5244204, 6992272, 10488408, 20976816]

約数ペア:

[(1, 20976816), (2, 10488408), (3, 6992272), (4, 5244204), (6, 3496136), (7, 2996688), (8, 2622102), (12, 1748068), (14, 1498344), (16, 1311051), (21, 998896), (24, 874034), (28, 749172), (42, 499448), (48, 437017), (56, 374586), (84, 249724), (112, 187293), (149, 140784), (168, 124862), (298, 70392), (336, 62431), (419, 50064), (447, 46928), (596, 35196), (838, 25032), (894, 23464), (1043, 20112), (1192, 17598), (1257, 16688), (1676, 12516), (1788, 11732), (2086, 10056), (2384, 8799), (2514, 8344), (2933, 7152), (3129, 6704), (3352, 6258), (3576, 5866), (4172, 5028)]