20993328

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{7673}}^1$

素因数の和:7706

約数の個数: 60

約数和(自身を含む): 61852440

約数和(自身を除く): 40859112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 114, 144, 152, 171, 228, 304, 342, 456, 684, 912, 1368, 2736, 7673, 15346, 23019, 30692, 46038, 61384, 69057, 92076, 122768, 138114, 145787, 184152, 276228, 291574, 368304, 437361, 552456, 583148, 874722, 1104912, 1166296, 1312083, 1749444, 2332592, 2624166, 3498888, 5248332, 6997776, 10496664, 20993328]

約数ペア:

[(1, 20993328), (2, 10496664), (3, 6997776), (4, 5248332), (6, 3498888), (8, 2624166), (9, 2332592), (12, 1749444), (16, 1312083), (18, 1166296), (19, 1104912), (24, 874722), (36, 583148), (38, 552456), (48, 437361), (57, 368304), (72, 291574), (76, 276228), (114, 184152), (144, 145787), (152, 138114), (171, 122768), (228, 92076), (304, 69057), (342, 61384), (456, 46038), (684, 30692), (912, 23019), (1368, 15346), (2736, 7673)]