20676256

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1097}}^1$

素因数の和:1157

約数の個数: 48

約数和(自身を含む): 44271360

約数和(自身を除く): 23595104

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 76, 124, 152, 248, 304, 496, 589, 608, 992, 1097, 1178, 2194, 2356, 4388, 4712, 8776, 9424, 17552, 18848, 20843, 34007, 35104, 41686, 68014, 83372, 136028, 166744, 272056, 333488, 544112, 646133, 666976, 1088224, 1292266, 2584532, 5169064, 10338128, 20676256]

約数ペア:

[(1, 20676256), (2, 10338128), (4, 5169064), (8, 2584532), (16, 1292266), (19, 1088224), (31, 666976), (32, 646133), (38, 544112), (62, 333488), (76, 272056), (124, 166744), (152, 136028), (248, 83372), (304, 68014), (496, 41686), (589, 35104), (608, 34007), (992, 20843), (1097, 18848), (1178, 17552), (2194, 9424), (2356, 8776), (4388, 4712)]