20791990764

素因数分解:

$2^2\times 3^5\times {\mathrm{103}}^1\times {\mathrm{207679}}^1$

素因数の和:207801

約数の個数: 72

約数和(自身を含む): 55033538560

約数和(自身を除く): 34241547796

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 103, 108, 162, 206, 243, 309, 324, 412, 486, 618, 927, 972, 1236, 1854, 2781, 3708, 5562, 8343, 11124, 16686, 25029, 33372, 50058, 100116, 207679, 415358, 623037, 830716, 1246074, 1869111, 2492148, 3738222, 5607333, 7476444, 11214666, 16821999, 21390937, 22429332, 33643998, 42781874, 50465997, 64172811, 67287996, 85563748, 100931994, 128345622, 192518433, 201863988, 256691244, 385036866, 577555299, 770073732, 1155110598, 1732665897, 2310221196, 3465331794, 5197997691, 6930663588, 10395995382, 20791990764]

約数ペア:

[(1, 20791990764), (2, 10395995382), (3, 6930663588), (4, 5197997691), (6, 3465331794), (9, 2310221196), (12, 1732665897), (18, 1155110598), (27, 770073732), (36, 577555299), (54, 385036866), (81, 256691244), (103, 201863988), (108, 192518433), (162, 128345622), (206, 100931994), (243, 85563748), (309, 67287996), (324, 64172811), (412, 50465997), (486, 42781874), (618, 33643998), (927, 22429332), (972, 21390937), (1236, 16821999), (1854, 11214666), (2781, 7476444), (3708, 5607333), (5562, 3738222), (8343, 2492148), (11124, 1869111), (16686, 1246074), (25029, 830716), (33372, 623037), (50058, 415358), (100116, 207679)]