20125336

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{883}}^1$

素因数の和:944

約数の個数: 64

約数和(自身を含む): 48372480

約数和(自身を除く): 28247144

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 37, 44, 56, 74, 77, 88, 148, 154, 259, 296, 308, 407, 518, 616, 814, 883, 1036, 1628, 1766, 2072, 2849, 3256, 3532, 5698, 6181, 7064, 9713, 11396, 12362, 19426, 22792, 24724, 32671, 38852, 49448, 65342, 67991, 77704, 130684, 135982, 228697, 261368, 271964, 359381, 457394, 543928, 718762, 914788, 1437524, 1829576, 2515667, 2875048, 5031334, 10062668, 20125336]

約数ペア:

[(1, 20125336), (2, 10062668), (4, 5031334), (7, 2875048), (8, 2515667), (11, 1829576), (14, 1437524), (22, 914788), (28, 718762), (37, 543928), (44, 457394), (56, 359381), (74, 271964), (77, 261368), (88, 228697), (148, 135982), (154, 130684), (259, 77704), (296, 67991), (308, 65342), (407, 49448), (518, 38852), (616, 32671), (814, 24724), (883, 22792), (1036, 19426), (1628, 12362), (1766, 11396), (2072, 9713), (2849, 7064), (3256, 6181), (3532, 5698)]