20017202392

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{1999}}^1$

素因数の和:2201

約数の個数: 128

約数和(自身を含む): 44323200000

約数和(自身を除く): 24305997608

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 53, 76, 88, 106, 113, 152, 209, 212, 226, 418, 424, 452, 583, 836, 904, 1007, 1166, 1243, 1672, 1999, 2014, 2147, 2332, 2486, 3998, 4028, 4294, 4664, 4972, 5989, 7996, 8056, 8588, 9944, 11077, 11978, 15992, 17176, 21989, 22154, 23617, 23956, 37981, 43978, 44308, 47234, 47912, 65879, 75962, 87956, 88616, 94468, 105947, 113791, 131758, 151924, 175912, 188936, 211894, 225887, 227582, 263516, 303848, 417791, 423788, 451774, 455164, 527032, 835582, 847576, 903548, 910328, 1165417, 1251701, 1671164, 1807096, 2012993, 2330834, 2484757, 2503402, 3342328, 4025986, 4291853, 4661668, 4969514, 5006804, 8051972, 8583706, 9323336, 9939028, 10013608, 11972011, 16103944, 17167412, 19878056, 22142923, 23944022, 34334824, 44285846, 47210383, 47888044, 88571692, 94420766, 95776088, 131692121, 177143384, 188841532, 227468209, 263384242, 377683064, 454936418, 526768484, 909872836, 1053536968, 1819745672, 2502150299, 5004300598, 10008601196, 20017202392]

約数ペア:

[(1, 20017202392), (2, 10008601196), (4, 5004300598), (8, 2502150299), (11, 1819745672), (19, 1053536968), (22, 909872836), (38, 526768484), (44, 454936418), (53, 377683064), (76, 263384242), (88, 227468209), (106, 188841532), (113, 177143384), (152, 131692121), (209, 95776088), (212, 94420766), (226, 88571692), (418, 47888044), (424, 47210383), (452, 44285846), (583, 34334824), (836, 23944022), (904, 22142923), (1007, 19878056), (1166, 17167412), (1243, 16103944), (1672, 11972011), (1999, 10013608), (2014, 9939028), (2147, 9323336), (2332, 8583706), (2486, 8051972), (3998, 5006804), (4028, 4969514), (4294, 4661668), (4664, 4291853), (4972, 4025986), (5989, 3342328), (7996, 2503402), (8056, 2484757), (8588, 2330834), (9944, 2012993), (11077, 1807096), (11978, 1671164), (15992, 1251701), (17176, 1165417), (21989, 910328), (22154, 903548), (23617, 847576), (23956, 835582), (37981, 527032), (43978, 455164), (44308, 451774), (47234, 423788), (47912, 417791), (65879, 303848), (75962, 263516), (87956, 227582), (88616, 225887), (94468, 211894), (105947, 188936), (113791, 175912), (131758, 151924)]