20218444048

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1\times {\mathrm{4327}}^1$

素因数の和:4676

約数の個数: 80

約数和(自身を含む): 43277230080

約数和(自身を除く): 23058786032

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 139, 176, 191, 278, 382, 556, 764, 1112, 1528, 1529, 2101, 2224, 3056, 3058, 4202, 4327, 6116, 8404, 8654, 12232, 16808, 17308, 24464, 26549, 33616, 34616, 47597, 53098, 69232, 95194, 106196, 190388, 212392, 292039, 380776, 424784, 584078, 601453, 761552, 826457, 1168156, 1202906, 1652914, 2336312, 2405812, 3305828, 4672624, 4811624, 6611656, 6615983, 9091027, 9623248, 13223312, 13231966, 18182054, 26463932, 36364108, 52927864, 72728216, 105855728, 114877523, 145456432, 229755046, 459510092, 919020184, 1263652753, 1838040368, 2527305506, 5054611012, 10109222024, 20218444048]

約数ペア:

[(1, 20218444048), (2, 10109222024), (4, 5054611012), (8, 2527305506), (11, 1838040368), (16, 1263652753), (22, 919020184), (44, 459510092), (88, 229755046), (139, 145456432), (176, 114877523), (191, 105855728), (278, 72728216), (382, 52927864), (556, 36364108), (764, 26463932), (1112, 18182054), (1528, 13231966), (1529, 13223312), (2101, 9623248), (2224, 9091027), (3056, 6615983), (3058, 6611656), (4202, 4811624), (4327, 4672624), (6116, 3305828), (8404, 2405812), (8654, 2336312), (12232, 1652914), (16808, 1202906), (17308, 1168156), (24464, 826457), (26549, 761552), (33616, 601453), (34616, 584078), (47597, 424784), (53098, 380776), (69232, 292039), (95194, 212392), (106196, 190388)]