20259780256

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{132757}}^1$

素因数の和:133037

約数の個数: 48

約数和(自身を含む): 42153320160

約数和(自身を除く): 21893539904

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 251, 304, 502, 608, 1004, 2008, 4016, 4769, 8032, 9538, 19076, 38152, 76304, 132757, 152608, 265514, 531028, 1062056, 2124112, 2522383, 4248224, 5044766, 10089532, 20179064, 33322007, 40358128, 66644014, 80716256, 133288028, 266576056, 533152112, 633118133, 1066304224, 1266236266, 2532472532, 5064945064, 10129890128, 20259780256]

約数ペア:

[(1, 20259780256), (2, 10129890128), (4, 5064945064), (8, 2532472532), (16, 1266236266), (19, 1066304224), (32, 633118133), (38, 533152112), (76, 266576056), (152, 133288028), (251, 80716256), (304, 66644014), (502, 40358128), (608, 33322007), (1004, 20179064), (2008, 10089532), (4016, 5044766), (4769, 4248224), (8032, 2522383), (9538, 2124112), (19076, 1062056), (38152, 531028), (76304, 265514), (132757, 152608)]