20920170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:495

約数の個数: 64

約数和(自身を含む): 52793856

約数和(自身を除く): 31873686

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 47, 74, 94, 111, 141, 185, 222, 235, 282, 370, 401, 470, 555, 705, 802, 1110, 1203, 1410, 1739, 2005, 2406, 3478, 4010, 5217, 6015, 8695, 10434, 12030, 14837, 17390, 18847, 26085, 29674, 37694, 44511, 52170, 56541, 74185, 89022, 94235, 113082, 148370, 188470, 222555, 282705, 445110, 565410, 697339, 1394678, 2092017, 3486695, 4184034, 6973390, 10460085, 20920170]

約数ペア:

[(1, 20920170), (2, 10460085), (3, 6973390), (5, 4184034), (6, 3486695), (10, 2092017), (15, 1394678), (30, 697339), (37, 565410), (47, 445110), (74, 282705), (94, 222555), (111, 188470), (141, 148370), (185, 113082), (222, 94235), (235, 89022), (282, 74185), (370, 56541), (401, 52170), (470, 44511), (555, 37694), (705, 29674), (802, 26085), (1110, 18847), (1203, 17390), (1410, 14837), (1739, 12030), (2005, 10434), (2406, 8695), (3478, 6015), (4010, 5217)]