20431764

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{3319}}^1$

素因数の和:3354

約数の個数: 60

約数和(自身を含む): 56240800

約数和(自身を除く): 35809036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 324, 342, 513, 684, 1026, 1539, 2052, 3078, 3319, 6156, 6638, 9957, 13276, 19914, 29871, 39828, 59742, 63061, 89613, 119484, 126122, 179226, 189183, 252244, 268839, 358452, 378366, 537678, 567549, 756732, 1075356, 1135098, 1702647, 2270196, 3405294, 5107941, 6810588, 10215882, 20431764]

約数ペア:

[(1, 20431764), (2, 10215882), (3, 6810588), (4, 5107941), (6, 3405294), (9, 2270196), (12, 1702647), (18, 1135098), (19, 1075356), (27, 756732), (36, 567549), (38, 537678), (54, 378366), (57, 358452), (76, 268839), (81, 252244), (108, 189183), (114, 179226), (162, 126122), (171, 119484), (228, 89613), (324, 63061), (342, 59742), (513, 39828), (684, 29871), (1026, 19914), (1539, 13276), (2052, 9957), (3078, 6638), (3319, 6156)]