20949264

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{2969}}^1$

素因数の和:2997

約数の個数: 90

約数和(自身を含む): 68223870

約数和(自身を除く): 47274606

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 392, 441, 504, 588, 784, 882, 1008, 1176, 1764, 2352, 2969, 3528, 5938, 7056, 8907, 11876, 17814, 20783, 23752, 26721, 35628, 41566, 47504, 53442, 62349, 71256, 83132, 106884, 124698, 142512, 145481, 166264, 187047, 213768, 249396, 290962, 332528, 374094, 427536, 436443, 498792, 581924, 748188, 872886, 997584, 1163848, 1309329, 1496376, 1745772, 2327696, 2618658, 2992752, 3491544, 5237316, 6983088, 10474632, 20949264]

約数ペア:

[(1, 20949264), (2, 10474632), (3, 6983088), (4, 5237316), (6, 3491544), (7, 2992752), (8, 2618658), (9, 2327696), (12, 1745772), (14, 1496376), (16, 1309329), (18, 1163848), (21, 997584), (24, 872886), (28, 748188), (36, 581924), (42, 498792), (48, 436443), (49, 427536), (56, 374094), (63, 332528), (72, 290962), (84, 249396), (98, 213768), (112, 187047), (126, 166264), (144, 145481), (147, 142512), (168, 124698), (196, 106884), (252, 83132), (294, 71256), (336, 62349), (392, 53442), (441, 47504), (504, 41566), (588, 35628), (784, 26721), (882, 23752), (1008, 20783), (1176, 17814), (1764, 11876), (2352, 8907), (2969, 7056), (3528, 5938)]