20173841728

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1\times {\mathrm{383}}^1$

素因数の和:756

約数の個数: 112

約数和(自身を含む): 41948282880

約数和(自身を除く): 21774441152

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 139, 191, 248, 278, 382, 383, 496, 556, 764, 766, 992, 1112, 1528, 1532, 1984, 2224, 3056, 3064, 4309, 4448, 5921, 6112, 6128, 8618, 8896, 11842, 11873, 12224, 12256, 17236, 23684, 23746, 24512, 26549, 34472, 47368, 47492, 53098, 53237, 68944, 73153, 94736, 94984, 106196, 106474, 137888, 146306, 189472, 189968, 212392, 212948, 275776, 292612, 378944, 379936, 424784, 425896, 585224, 759872, 823019, 849568, 851792, 1170448, 1646038, 1650347, 1699136, 1703584, 2267743, 2340896, 3292076, 3300694, 3407168, 4535486, 4681792, 6584152, 6601388, 9070972, 10168267, 13168304, 13202776, 18141944, 20336534, 26336608, 26405552, 36283888, 40673068, 52673216, 52811104, 72567776, 81346136, 105622208, 145135552, 162692272, 315216277, 325384544, 630432554, 650769088, 1260865108, 2521730216, 5043460432, 10086920864, 20173841728]

約数ペア:

[(1, 20173841728), (2, 10086920864), (4, 5043460432), (8, 2521730216), (16, 1260865108), (31, 650769088), (32, 630432554), (62, 325384544), (64, 315216277), (124, 162692272), (139, 145135552), (191, 105622208), (248, 81346136), (278, 72567776), (382, 52811104), (383, 52673216), (496, 40673068), (556, 36283888), (764, 26405552), (766, 26336608), (992, 20336534), (1112, 18141944), (1528, 13202776), (1532, 13168304), (1984, 10168267), (2224, 9070972), (3056, 6601388), (3064, 6584152), (4309, 4681792), (4448, 4535486), (5921, 3407168), (6112, 3300694), (6128, 3292076), (8618, 2340896), (8896, 2267743), (11842, 1703584), (11873, 1699136), (12224, 1650347), (12256, 1646038), (17236, 1170448), (23684, 851792), (23746, 849568), (24512, 823019), (26549, 759872), (34472, 585224), (47368, 425896), (47492, 424784), (53098, 379936), (53237, 378944), (68944, 292612), (73153, 275776), (94736, 212948), (94984, 212392), (106196, 189968), (106474, 189472), (137888, 146306)]