20707938

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:152

約数の個数: 96

約数和(自身を含む): 51217920

約数和(自身を除く): 30509982

約数列:

[1, 2, 3, 6, 9, 17, 18, 31, 34, 37, 51, 59, 62, 74, 93, 102, 111, 118, 153, 177, 186, 222, 279, 306, 333, 354, 527, 531, 558, 629, 666, 1003, 1054, 1062, 1147, 1258, 1581, 1829, 1887, 2006, 2183, 2294, 3009, 3162, 3441, 3658, 3774, 4366, 4743, 5487, 5661, 6018, 6549, 6882, 9027, 9486, 10323, 10974, 11322, 13098, 16461, 18054, 19499, 19647, 20646, 31093, 32922, 37111, 38998, 39294, 58497, 62186, 67673, 74222, 93279, 111333, 116994, 135346, 175491, 186558, 203019, 222666, 279837, 333999, 350982, 406038, 559674, 609057, 667998, 1150441, 1218114, 2300882, 3451323, 6902646, 10353969, 20707938]

約数ペア:

[(1, 20707938), (2, 10353969), (3, 6902646), (6, 3451323), (9, 2300882), (17, 1218114), (18, 1150441), (31, 667998), (34, 609057), (37, 559674), (51, 406038), (59, 350982), (62, 333999), (74, 279837), (93, 222666), (102, 203019), (111, 186558), (118, 175491), (153, 135346), (177, 116994), (186, 111333), (222, 93279), (279, 74222), (306, 67673), (333, 62186), (354, 58497), (527, 39294), (531, 38998), (558, 37111), (629, 32922), (666, 31093), (1003, 20646), (1054, 19647), (1062, 19499), (1147, 18054), (1258, 16461), (1581, 13098), (1829, 11322), (1887, 10974), (2006, 10323), (2183, 9486), (2294, 9027), (3009, 6882), (3162, 6549), (3441, 6018), (3658, 5661), (3774, 5487), (4366, 4743)]