20427888

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1723}}^1$

素因数の和:1766

約数の個数: 80

約数和(自身を含む): 59857280

約数和(自身を除く): 39429392

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 38, 39, 48, 52, 57, 76, 78, 104, 114, 152, 156, 208, 228, 247, 304, 312, 456, 494, 624, 741, 912, 988, 1482, 1723, 1976, 2964, 3446, 3952, 5169, 5928, 6892, 10338, 11856, 13784, 20676, 22399, 27568, 32737, 41352, 44798, 65474, 67197, 82704, 89596, 98211, 130948, 134394, 179192, 196422, 261896, 268788, 358384, 392844, 425581, 523792, 537576, 785688, 851162, 1075152, 1276743, 1571376, 1702324, 2553486, 3404648, 5106972, 6809296, 10213944, 20427888]

約数ペア:

[(1, 20427888), (2, 10213944), (3, 6809296), (4, 5106972), (6, 3404648), (8, 2553486), (12, 1702324), (13, 1571376), (16, 1276743), (19, 1075152), (24, 851162), (26, 785688), (38, 537576), (39, 523792), (48, 425581), (52, 392844), (57, 358384), (76, 268788), (78, 261896), (104, 196422), (114, 179192), (152, 134394), (156, 130948), (208, 98211), (228, 89596), (247, 82704), (304, 67197), (312, 65474), (456, 44798), (494, 41352), (624, 32737), (741, 27568), (912, 22399), (988, 20676), (1482, 13784), (1723, 11856), (1976, 10338), (2964, 6892), (3446, 5928), (3952, 5169)]