20291392

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:120

約数の個数: 112

約数和(自身を含む): 48646080

約数和(自身を除く): 28354688

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 37, 38, 41, 44, 64, 74, 76, 82, 88, 148, 152, 164, 176, 209, 296, 304, 328, 352, 407, 418, 451, 592, 608, 656, 703, 704, 779, 814, 836, 902, 1184, 1216, 1312, 1406, 1517, 1558, 1628, 1672, 1804, 2368, 2624, 2812, 3034, 3116, 3256, 3344, 3608, 5624, 6068, 6232, 6512, 6688, 7216, 7733, 8569, 11248, 12136, 12464, 13024, 13376, 14432, 15466, 16687, 17138, 22496, 24272, 24928, 26048, 28823, 28864, 30932, 33374, 34276, 44992, 48544, 49856, 57646, 61864, 66748, 68552, 97088, 115292, 123728, 133496, 137104, 230584, 247456, 266992, 274208, 317053, 461168, 494912, 533984, 548416, 634106, 922336, 1067968, 1268212, 1844672, 2536424, 5072848, 10145696, 20291392]

約数ペア:

[(1, 20291392), (2, 10145696), (4, 5072848), (8, 2536424), (11, 1844672), (16, 1268212), (19, 1067968), (22, 922336), (32, 634106), (37, 548416), (38, 533984), (41, 494912), (44, 461168), (64, 317053), (74, 274208), (76, 266992), (82, 247456), (88, 230584), (148, 137104), (152, 133496), (164, 123728), (176, 115292), (209, 97088), (296, 68552), (304, 66748), (328, 61864), (352, 57646), (407, 49856), (418, 48544), (451, 44992), (592, 34276), (608, 33374), (656, 30932), (703, 28864), (704, 28823), (779, 26048), (814, 24928), (836, 24272), (902, 22496), (1184, 17138), (1216, 16687), (1312, 15466), (1406, 14432), (1517, 13376), (1558, 13024), (1628, 12464), (1672, 12136), (1804, 11248), (2368, 8569), (2624, 7733), (2812, 7216), (3034, 6688), (3116, 6512), (3256, 6232), (3344, 6068), (3608, 5624)]