20672608

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{281}}^1$

素因数の和:332

約数の個数: 72

約数和(自身を含む): 47257560

約数和(自身を除く): 26584952

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 76, 88, 121, 152, 176, 209, 242, 281, 304, 352, 418, 484, 562, 608, 836, 968, 1124, 1672, 1936, 2248, 2299, 3091, 3344, 3872, 4496, 4598, 5339, 6182, 6688, 8992, 9196, 10678, 12364, 18392, 21356, 24728, 34001, 36784, 42712, 49456, 58729, 68002, 73568, 85424, 98912, 117458, 136004, 170848, 234916, 272008, 469832, 544016, 646019, 939664, 1088032, 1292038, 1879328, 2584076, 5168152, 10336304, 20672608]

約数ペア:

[(1, 20672608), (2, 10336304), (4, 5168152), (8, 2584076), (11, 1879328), (16, 1292038), (19, 1088032), (22, 939664), (32, 646019), (38, 544016), (44, 469832), (76, 272008), (88, 234916), (121, 170848), (152, 136004), (176, 117458), (209, 98912), (242, 85424), (281, 73568), (304, 68002), (352, 58729), (418, 49456), (484, 42712), (562, 36784), (608, 34001), (836, 24728), (968, 21356), (1124, 18392), (1672, 12364), (1936, 10678), (2248, 9196), (2299, 8992), (3091, 6688), (3344, 6182), (3872, 5339), (4496, 4598)]