20294807936

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{1489}}^1\times {\mathrm{8191}}^1$

素因数の和:9707

約数の個数: 64

約数和(自身を含む): 43575705600

約数和(自身を除く): 23280897664

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1489, 1664, 2978, 5956, 8191, 11912, 16382, 19357, 23824, 32764, 38714, 47648, 65528, 77428, 95296, 106483, 131056, 154856, 190592, 212966, 262112, 309712, 425932, 524224, 619424, 851864, 1048448, 1238848, 1703728, 2477696, 3407456, 6814912, 12196399, 13629824, 24392798, 48785596, 97571192, 158553187, 195142384, 317106374, 390284768, 634212748, 780569536, 1268425496, 1561139072, 2536850992, 5073701984, 10147403968, 20294807936]

約数ペア:

[(1, 20294807936), (2, 10147403968), (4, 5073701984), (8, 2536850992), (13, 1561139072), (16, 1268425496), (26, 780569536), (32, 634212748), (52, 390284768), (64, 317106374), (104, 195142384), (128, 158553187), (208, 97571192), (416, 48785596), (832, 24392798), (1489, 13629824), (1664, 12196399), (2978, 6814912), (5956, 3407456), (8191, 2477696), (11912, 1703728), (16382, 1238848), (19357, 1048448), (23824, 851864), (32764, 619424), (38714, 524224), (47648, 425932), (65528, 309712), (77428, 262112), (95296, 212966), (106483, 190592), (131056, 154856)]