20145012008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{78317}}^1$

素因数の和:78450

約数の個数: 64

約数和(自身を含む): 42855609600

約数和(自身を除く): 22710597592

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 79, 88, 148, 158, 296, 316, 407, 632, 814, 869, 1628, 1738, 2923, 3256, 3476, 5846, 6952, 11692, 23384, 32153, 64306, 78317, 128612, 156634, 257224, 313268, 626536, 861487, 1722974, 2897729, 3445948, 5795458, 6187043, 6891896, 11590916, 12374086, 23181832, 24748172, 31875019, 49496344, 63750038, 68057473, 127500076, 136114946, 228920591, 255000152, 272229892, 457841182, 544459784, 915682364, 1831364728, 2518126501, 5036253002, 10072506004, 20145012008]

約数ペア:

[(1, 20145012008), (2, 10072506004), (4, 5036253002), (8, 2518126501), (11, 1831364728), (22, 915682364), (37, 544459784), (44, 457841182), (74, 272229892), (79, 255000152), (88, 228920591), (148, 136114946), (158, 127500076), (296, 68057473), (316, 63750038), (407, 49496344), (632, 31875019), (814, 24748172), (869, 23181832), (1628, 12374086), (1738, 11590916), (2923, 6891896), (3256, 6187043), (3476, 5795458), (5846, 3445948), (6952, 2897729), (11692, 1722974), (23384, 861487), (32153, 626536), (64306, 313268), (78317, 257224), (128612, 156634)]