20009557617

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{5153}}^1$

素因数の和:5402

約数の個数: 64

約数和(自身を含む): 32952614400

約数和(自身を除く): 12943056783

約数列:

[1, 3, 7, 17, 21, 51, 73, 119, 149, 219, 357, 447, 511, 1043, 1241, 1533, 2533, 3129, 3723, 5153, 7599, 8687, 10877, 15459, 17731, 26061, 32631, 36071, 53193, 76139, 87601, 108213, 184909, 228417, 262803, 376169, 554727, 613207, 767797, 1128507, 1294363, 1839621, 2303391, 2633183, 3883089, 5374579, 6394873, 7899549, 13052549, 16123737, 19184619, 39157647, 44764111, 56049181, 91367843, 134292333, 168147543, 274103529, 392344267, 952836077, 1177032801, 2858508231, 6669852539, 20009557617]

約数ペア:

[(1, 20009557617), (3, 6669852539), (7, 2858508231), (17, 1177032801), (21, 952836077), (51, 392344267), (73, 274103529), (119, 168147543), (149, 134292333), (219, 91367843), (357, 56049181), (447, 44764111), (511, 39157647), (1043, 19184619), (1241, 16123737), (1533, 13052549), (2533, 7899549), (3129, 6394873), (3723, 5374579), (5153, 3883089), (7599, 2633183), (8687, 2303391), (10877, 1839621), (15459, 1294363), (17731, 1128507), (26061, 767797), (32631, 613207), (36071, 554727), (53193, 376169), (76139, 262803), (87601, 228417), (108213, 184909)]