20756892

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:235

約数の個数: 96

約数和(自身を含む): 56448000

約数和(自身を除く): 35691108

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 47, 52, 57, 76, 78, 94, 114, 141, 149, 156, 188, 228, 247, 282, 298, 447, 494, 564, 596, 611, 741, 893, 894, 988, 1222, 1482, 1786, 1788, 1833, 1937, 2444, 2679, 2831, 2964, 3572, 3666, 3874, 5358, 5662, 5811, 7003, 7332, 7748, 8493, 10716, 11324, 11609, 11622, 14006, 16986, 21009, 23218, 23244, 28012, 33972, 34827, 36803, 42018, 46436, 69654, 73606, 84036, 91039, 110409, 133057, 139308, 147212, 182078, 220818, 266114, 273117, 364156, 399171, 441636, 532228, 546234, 798342, 1092468, 1596684, 1729741, 3459482, 5189223, 6918964, 10378446, 20756892]

約数ペア:

[(1, 20756892), (2, 10378446), (3, 6918964), (4, 5189223), (6, 3459482), (12, 1729741), (13, 1596684), (19, 1092468), (26, 798342), (38, 546234), (39, 532228), (47, 441636), (52, 399171), (57, 364156), (76, 273117), (78, 266114), (94, 220818), (114, 182078), (141, 147212), (149, 139308), (156, 133057), (188, 110409), (228, 91039), (247, 84036), (282, 73606), (298, 69654), (447, 46436), (494, 42018), (564, 36803), (596, 34827), (611, 33972), (741, 28012), (893, 23244), (894, 23218), (988, 21009), (1222, 16986), (1482, 14006), (1786, 11622), (1788, 11609), (1833, 11324), (1937, 10716), (2444, 8493), (2679, 7748), (2831, 7332), (2964, 7003), (3572, 5811), (3666, 5662), (3874, 5358)]