20740916016

素因数分解:

$2^4\times 3^2\times {\mathrm{223}}^1\times {\mathrm{645893}}^1$

素因数の和:646130

約数の個数: 60

約数和(自身を含む): 58306143168

約数和(自身を除く): 37565227152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 223, 446, 669, 892, 1338, 1784, 2007, 2676, 3568, 4014, 5352, 8028, 10704, 16056, 32112, 645893, 1291786, 1937679, 2583572, 3875358, 5167144, 5813037, 7750716, 10334288, 11626074, 15501432, 23252148, 31002864, 46504296, 93008592, 144034139, 288068278, 432102417, 576136556, 864204834, 1152273112, 1296307251, 1728409668, 2304546224, 2592614502, 3456819336, 5185229004, 6913638672, 10370458008, 20740916016]

約数ペア:

[(1, 20740916016), (2, 10370458008), (3, 6913638672), (4, 5185229004), (6, 3456819336), (8, 2592614502), (9, 2304546224), (12, 1728409668), (16, 1296307251), (18, 1152273112), (24, 864204834), (36, 576136556), (48, 432102417), (72, 288068278), (144, 144034139), (223, 93008592), (446, 46504296), (669, 31002864), (892, 23252148), (1338, 15501432), (1784, 11626074), (2007, 10334288), (2676, 7750716), (3568, 5813037), (4014, 5167144), (5352, 3875358), (8028, 2583572), (10704, 1937679), (16056, 1291786), (32112, 645893)]