20677624

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:268

約数の個数: 64

約数和(自身を含む): 45360000

約数和(自身を除く): 24682376

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 83, 88, 149, 152, 166, 209, 298, 332, 418, 596, 664, 836, 913, 1192, 1577, 1639, 1672, 1826, 2831, 3154, 3278, 3652, 5662, 6308, 6556, 7304, 11324, 12367, 12616, 13112, 17347, 22648, 24734, 31141, 34694, 49468, 62282, 69388, 98936, 124564, 136037, 138776, 234973, 249128, 272074, 469946, 544148, 939892, 1088296, 1879784, 2584703, 5169406, 10338812, 20677624]

約数ペア:

[(1, 20677624), (2, 10338812), (4, 5169406), (8, 2584703), (11, 1879784), (19, 1088296), (22, 939892), (38, 544148), (44, 469946), (76, 272074), (83, 249128), (88, 234973), (149, 138776), (152, 136037), (166, 124564), (209, 98936), (298, 69388), (332, 62282), (418, 49468), (596, 34694), (664, 31141), (836, 24734), (913, 22648), (1192, 17347), (1577, 13112), (1639, 12616), (1672, 12367), (1826, 11324), (2831, 7304), (3154, 6556), (3278, 6308), (3652, 5662)]