20163471248

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{59447}}^1$

素因数の和:59544

約数の個数: 80

約数和(自身を含む): 43787018880

約数和(自身を除く): 23623547632

約数列:

[1, 2, 4, 8, 16, 17, 29, 34, 43, 58, 68, 86, 116, 136, 172, 232, 272, 344, 464, 493, 688, 731, 986, 1247, 1462, 1972, 2494, 2924, 3944, 4988, 5848, 7888, 9976, 11696, 19952, 21199, 42398, 59447, 84796, 118894, 169592, 237788, 339184, 475576, 951152, 1010599, 1723963, 2021198, 2556221, 3447926, 4042396, 5112442, 6895852, 8084792, 10224884, 13791704, 16169584, 20449768, 27583408, 29307371, 40899536, 43455757, 58614742, 74130409, 86911514, 117229484, 148260818, 173823028, 234458968, 296521636, 347646056, 468917936, 593043272, 695292112, 1186086544, 1260216953, 2520433906, 5040867812, 10081735624, 20163471248]

約数ペア:

[(1, 20163471248), (2, 10081735624), (4, 5040867812), (8, 2520433906), (16, 1260216953), (17, 1186086544), (29, 695292112), (34, 593043272), (43, 468917936), (58, 347646056), (68, 296521636), (86, 234458968), (116, 173823028), (136, 148260818), (172, 117229484), (232, 86911514), (272, 74130409), (344, 58614742), (464, 43455757), (493, 40899536), (688, 29307371), (731, 27583408), (986, 20449768), (1247, 16169584), (1462, 13791704), (1972, 10224884), (2494, 8084792), (2924, 6895852), (3944, 5112442), (4988, 4042396), (5848, 3447926), (7888, 2556221), (9976, 2021198), (11696, 1723963), (19952, 1010599), (21199, 951152), (42398, 475576), (59447, 339184), (84796, 237788), (118894, 169592)]