20163697845

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{859}}^1\times {\mathrm{3581}}^1$

素因数の和:4490

約数の個数: 64

約数和(自身を含む): 35487590400

約数和(自身を除く): 15323892555

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 95, 115, 285, 345, 437, 859, 1311, 2185, 2577, 3581, 4295, 6555, 10743, 12885, 16321, 17905, 19757, 48963, 53715, 59271, 68039, 81605, 82363, 98785, 204117, 244815, 247089, 296355, 340195, 375383, 411815, 1020585, 1126149, 1235445, 1564897, 1876915, 3076079, 4694691, 5630745, 7824485, 9228237, 15380395, 23473455, 46141185, 58445501, 70749817, 175336503, 212249451, 292227505, 353749085, 876682515, 1061247255, 1344246523, 4032739569, 6721232615, 20163697845]

約数ペア:

[(1, 20163697845), (3, 6721232615), (5, 4032739569), (15, 1344246523), (19, 1061247255), (23, 876682515), (57, 353749085), (69, 292227505), (95, 212249451), (115, 175336503), (285, 70749817), (345, 58445501), (437, 46141185), (859, 23473455), (1311, 15380395), (2185, 9228237), (2577, 7824485), (3581, 5630745), (4295, 4694691), (6555, 3076079), (10743, 1876915), (12885, 1564897), (16321, 1235445), (17905, 1126149), (19757, 1020585), (48963, 411815), (53715, 375383), (59271, 340195), (68039, 296355), (81605, 247089), (82363, 244815), (98785, 204117)]