20742714

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{503}}^1$

素因数の和:619

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 26431686

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 79, 87, 158, 174, 237, 261, 474, 503, 522, 711, 1006, 1422, 1509, 2291, 3018, 4527, 4582, 6873, 9054, 13746, 14587, 20619, 29174, 39737, 41238, 43761, 79474, 87522, 119211, 131283, 238422, 262566, 357633, 715266, 1152373, 2304746, 3457119, 6914238, 10371357, 20742714]

約数ペア:

[(1, 20742714), (2, 10371357), (3, 6914238), (6, 3457119), (9, 2304746), (18, 1152373), (29, 715266), (58, 357633), (79, 262566), (87, 238422), (158, 131283), (174, 119211), (237, 87522), (261, 79474), (474, 43761), (503, 41238), (522, 39737), (711, 29174), (1006, 20619), (1422, 14587), (1509, 13746), (2291, 9054), (3018, 6873), (4527, 4582)]