20187780256

素因数分解:

$2^5\times 7^1\times {\mathrm{503}}^1\times {\mathrm{179173}}^1$

素因数の和:179693

約数の個数: 48

約数和(自身を含む): 45513062784

約数和(自身を除く): 25325282528

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 503, 1006, 2012, 3521, 4024, 7042, 8048, 14084, 16096, 28168, 56336, 112672, 179173, 358346, 716692, 1254211, 1433384, 2508422, 2866768, 5016844, 5733536, 10033688, 20067376, 40134752, 90124019, 180248038, 360496076, 630868133, 720992152, 1261736266, 1441984304, 2523472532, 2883968608, 5046945064, 10093890128, 20187780256]

約数ペア:

[(1, 20187780256), (2, 10093890128), (4, 5046945064), (7, 2883968608), (8, 2523472532), (14, 1441984304), (16, 1261736266), (28, 720992152), (32, 630868133), (56, 360496076), (112, 180248038), (224, 90124019), (503, 40134752), (1006, 20067376), (2012, 10033688), (3521, 5733536), (4024, 5016844), (7042, 2866768), (8048, 2508422), (14084, 1433384), (16096, 1254211), (28168, 716692), (56336, 358346), (112672, 179173)]