20123920190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{367}}^1\times {\mathrm{45317}}^1$

素因数の和:45713

約数の個数: 48

約数和(自身を含む): 39924795456

約数和(自身を除く): 19800875266

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 367, 605, 734, 1210, 1835, 3670, 4037, 8074, 20185, 40370, 44407, 45317, 88814, 90634, 222035, 226585, 444070, 453170, 498487, 996974, 2492435, 4984870, 5483357, 10966714, 16631339, 27416785, 33262678, 54833570, 83156695, 166313390, 182944729, 365889458, 914723645, 1829447290, 2012392019, 4024784038, 10061960095, 20123920190]

約数ペア:

[(1, 20123920190), (2, 10061960095), (5, 4024784038), (10, 2012392019), (11, 1829447290), (22, 914723645), (55, 365889458), (110, 182944729), (121, 166313390), (242, 83156695), (367, 54833570), (605, 33262678), (734, 27416785), (1210, 16631339), (1835, 10966714), (3670, 5483357), (4037, 4984870), (8074, 2492435), (20185, 996974), (40370, 498487), (44407, 453170), (45317, 444070), (88814, 226585), (90634, 222035)]