20138280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{283}}^1\times {\mathrm{593}}^1$

素因数の和:890

約数の個数: 64

約数和(自身を含む): 60730560

約数和(自身を除く): 40592280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 283, 566, 593, 849, 1132, 1186, 1415, 1698, 1779, 2264, 2372, 2830, 2965, 3396, 3558, 4245, 4744, 5660, 5930, 6792, 7116, 8490, 8895, 11320, 11860, 14232, 16980, 17790, 23720, 33960, 35580, 71160, 167819, 335638, 503457, 671276, 839095, 1006914, 1342552, 1678190, 2013828, 2517285, 3356380, 4027656, 5034570, 6712760, 10069140, 20138280]

約数ペア:

[(1, 20138280), (2, 10069140), (3, 6712760), (4, 5034570), (5, 4027656), (6, 3356380), (8, 2517285), (10, 2013828), (12, 1678190), (15, 1342552), (20, 1006914), (24, 839095), (30, 671276), (40, 503457), (60, 335638), (120, 167819), (283, 71160), (566, 35580), (593, 33960), (849, 23720), (1132, 17790), (1186, 16980), (1415, 14232), (1698, 11860), (1779, 11320), (2264, 8895), (2372, 8490), (2830, 7116), (2965, 6792), (3396, 5930), (3558, 5660), (4245, 4744)]