20219657994

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{679561}}^1$

素因数の和:679620

約数の個数: 64

約数和(自身を含む): 48928464000

約数和(自身を除く): 28708806006

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 29, 38, 54, 57, 58, 87, 114, 171, 174, 261, 342, 513, 522, 551, 783, 1026, 1102, 1566, 1653, 3306, 4959, 9918, 14877, 29754, 679561, 1359122, 2038683, 4077366, 6116049, 12232098, 12911659, 18348147, 19707269, 25823318, 36696294, 38734977, 39414538, 59121807, 77469954, 116204931, 118243614, 177365421, 232409862, 348614793, 354730842, 374438111, 532096263, 697229586, 748876222, 1064192526, 1123314333, 2246628666, 3369942999, 6739885998, 10109828997, 20219657994]

約数ペア:

[(1, 20219657994), (2, 10109828997), (3, 6739885998), (6, 3369942999), (9, 2246628666), (18, 1123314333), (19, 1064192526), (27, 748876222), (29, 697229586), (38, 532096263), (54, 374438111), (57, 354730842), (58, 348614793), (87, 232409862), (114, 177365421), (171, 118243614), (174, 116204931), (261, 77469954), (342, 59121807), (513, 39414538), (522, 38734977), (551, 36696294), (783, 25823318), (1026, 19707269), (1102, 18348147), (1566, 12911659), (1653, 12232098), (3306, 6116049), (4959, 4077366), (9918, 2038683), (14877, 1359122), (29754, 679561)]