20163365475

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{1559}}^1$

素因数の和:1901

約数の個数: 96

約数和(自身を含む): 37131194880

約数和(自身を除く): 16967829405

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 61, 75, 165, 183, 257, 275, 305, 671, 771, 825, 915, 1285, 1525, 1559, 2013, 2827, 3355, 3855, 4575, 4677, 6425, 7795, 8481, 10065, 14135, 15677, 16775, 17149, 19275, 23385, 38975, 42405, 47031, 50325, 51447, 70675, 78385, 85745, 95099, 116925, 172447, 212025, 235155, 257235, 285297, 391925, 400663, 428725, 475495, 517341, 862235, 1046089, 1175775, 1201989, 1286175, 1426485, 2003315, 2377475, 2586705, 3138267, 4311175, 4407293, 5230445, 6009945, 7132425, 10016575, 12933525, 13221879, 15691335, 22036465, 24440443, 26152225, 30049725, 66109395, 73321329, 78456675, 110182325, 122202215, 268844873, 330546975, 366606645, 611011075, 806534619, 1344224365, 1833033225, 4032673095, 6721121825, 20163365475]

約数ペア:

[(1, 20163365475), (3, 6721121825), (5, 4032673095), (11, 1833033225), (15, 1344224365), (25, 806534619), (33, 611011075), (55, 366606645), (61, 330546975), (75, 268844873), (165, 122202215), (183, 110182325), (257, 78456675), (275, 73321329), (305, 66109395), (671, 30049725), (771, 26152225), (825, 24440443), (915, 22036465), (1285, 15691335), (1525, 13221879), (1559, 12933525), (2013, 10016575), (2827, 7132425), (3355, 6009945), (3855, 5230445), (4575, 4407293), (4677, 4311175), (6425, 3138267), (7795, 2586705), (8481, 2377475), (10065, 2003315), (14135, 1426485), (15677, 1286175), (16775, 1201989), (17149, 1175775), (19275, 1046089), (23385, 862235), (38975, 517341), (42405, 475495), (47031, 428725), (50325, 400663), (51447, 391925), (70675, 285297), (78385, 257235), (85745, 235155), (95099, 212025), (116925, 172447)]