20210820190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1$

素因数の和:538

約数の個数: 128

約数和(自身を含む): 41268165120

約数和(自身を除く): 21057344930

約数列:

[1, 2, 5, 10, 11, 22, 53, 55, 106, 107, 110, 179, 181, 214, 265, 358, 362, 530, 535, 583, 895, 905, 1070, 1166, 1177, 1790, 1810, 1969, 1991, 2354, 2915, 3938, 3982, 5671, 5830, 5885, 9487, 9593, 9845, 9955, 11342, 11770, 18974, 19153, 19186, 19367, 19690, 19910, 28355, 32399, 38306, 38734, 47435, 47965, 56710, 62381, 64798, 94870, 95765, 95930, 96835, 104357, 105523, 124762, 161995, 191530, 193670, 208714, 210683, 211046, 213037, 311905, 323990, 356389, 421366, 426074, 521785, 527615, 623810, 712778, 1015109, 1026451, 1043570, 1053415, 1055230, 1065185, 1717147, 1781945, 2030218, 2052902, 2106830, 2130370, 3434294, 3466693, 3563890, 5075545, 5132255, 6933386, 8585735, 10151090, 10264510, 11166199, 11290961, 17171470, 17333465, 18888617, 22332398, 22581922, 34666930, 37777234, 38133623, 55830995, 56454805, 76267246, 94443085, 111661990, 112909610, 183734729, 188886170, 190668115, 367469458, 381336230, 918673645, 1837347290, 2021082019, 4042164038, 10105410095, 20210820190]

約数ペア:

[(1, 20210820190), (2, 10105410095), (5, 4042164038), (10, 2021082019), (11, 1837347290), (22, 918673645), (53, 381336230), (55, 367469458), (106, 190668115), (107, 188886170), (110, 183734729), (179, 112909610), (181, 111661990), (214, 94443085), (265, 76267246), (358, 56454805), (362, 55830995), (530, 38133623), (535, 37777234), (583, 34666930), (895, 22581922), (905, 22332398), (1070, 18888617), (1166, 17333465), (1177, 17171470), (1790, 11290961), (1810, 11166199), (1969, 10264510), (1991, 10151090), (2354, 8585735), (2915, 6933386), (3938, 5132255), (3982, 5075545), (5671, 3563890), (5830, 3466693), (5885, 3434294), (9487, 2130370), (9593, 2106830), (9845, 2052902), (9955, 2030218), (11342, 1781945), (11770, 1717147), (18974, 1065185), (19153, 1055230), (19186, 1053415), (19367, 1043570), (19690, 1026451), (19910, 1015109), (28355, 712778), (32399, 623810), (38306, 527615), (38734, 521785), (47435, 426074), (47965, 421366), (56710, 356389), (62381, 323990), (64798, 311905), (94870, 213037), (95765, 211046), (95930, 210683), (96835, 208714), (104357, 193670), (105523, 191530), (124762, 161995)]