20784433980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{673}}^1\times {\mathrm{17749}}^1$

素因数の和:18463

約数の個数: 96

約数和(自身を含む): 60296040000

約数和(自身を除く): 39511606020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 673, 870, 1346, 1740, 2019, 2692, 3365, 4038, 6730, 8076, 10095, 13460, 17749, 19517, 20190, 35498, 39034, 40380, 53247, 58551, 70996, 78068, 88745, 97585, 106494, 117102, 177490, 195170, 212988, 234204, 266235, 292755, 354980, 390340, 514721, 532470, 585510, 1029442, 1064940, 1171020, 1544163, 2058884, 2573605, 3088326, 5147210, 6176652, 7720815, 10294420, 11945077, 15441630, 23890154, 30883260, 35835231, 47780308, 59725385, 71670462, 119450770, 143340924, 179176155, 238901540, 346407233, 358352310, 692814466, 716704620, 1039221699, 1385628932, 1732036165, 2078443398, 3464072330, 4156886796, 5196108495, 6928144660, 10392216990, 20784433980]

約数ペア:

[(1, 20784433980), (2, 10392216990), (3, 6928144660), (4, 5196108495), (5, 4156886796), (6, 3464072330), (10, 2078443398), (12, 1732036165), (15, 1385628932), (20, 1039221699), (29, 716704620), (30, 692814466), (58, 358352310), (60, 346407233), (87, 238901540), (116, 179176155), (145, 143340924), (174, 119450770), (290, 71670462), (348, 59725385), (435, 47780308), (580, 35835231), (673, 30883260), (870, 23890154), (1346, 15441630), (1740, 11945077), (2019, 10294420), (2692, 7720815), (3365, 6176652), (4038, 5147210), (6730, 3088326), (8076, 2573605), (10095, 2058884), (13460, 1544163), (17749, 1171020), (19517, 1064940), (20190, 1029442), (35498, 585510), (39034, 532470), (40380, 514721), (53247, 390340), (58551, 354980), (70996, 292755), (78068, 266235), (88745, 234204), (97585, 212988), (106494, 195170), (117102, 177490)]