20171427824

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1\times {\mathrm{2003}}^1$

素因数の和:2398

約数の個数: 80

約数和(自身を含む): 41618110080

約数和(自身を除く): 21446682256

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 157, 211, 304, 314, 422, 628, 844, 1256, 1688, 2003, 2512, 2983, 3376, 4006, 4009, 5966, 8012, 8018, 11932, 16024, 16036, 23864, 32048, 32072, 33127, 38057, 47728, 64144, 66254, 76114, 132508, 152228, 265016, 304456, 314471, 422633, 530032, 608912, 628942, 629413, 845266, 1257884, 1258826, 1690532, 2515768, 2517652, 3381064, 5031536, 5035304, 5974949, 6762128, 8030027, 10070608, 11949898, 16060054, 23899796, 32120108, 47799592, 64240216, 66353381, 95599184, 128480432, 132706762, 265413524, 530827048, 1061654096, 1260714239, 2521428478, 5042856956, 10085713912, 20171427824]

約数ペア:

[(1, 20171427824), (2, 10085713912), (4, 5042856956), (8, 2521428478), (16, 1260714239), (19, 1061654096), (38, 530827048), (76, 265413524), (152, 132706762), (157, 128480432), (211, 95599184), (304, 66353381), (314, 64240216), (422, 47799592), (628, 32120108), (844, 23899796), (1256, 16060054), (1688, 11949898), (2003, 10070608), (2512, 8030027), (2983, 6762128), (3376, 5974949), (4006, 5035304), (4009, 5031536), (5966, 3381064), (8012, 2517652), (8018, 2515768), (11932, 1690532), (16024, 1258826), (16036, 1257884), (23864, 845266), (32048, 629413), (32072, 628942), (33127, 608912), (38057, 530032), (47728, 422633), (64144, 314471), (66254, 304456), (76114, 265016), (132508, 152228)]