20173806

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1$

素因数の和:510

約数の個数: 64

約数和(自身を含む): 48153600

約数和(自身を除く): 27979794

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 37, 46, 54, 69, 74, 111, 138, 207, 222, 333, 414, 439, 621, 666, 851, 878, 999, 1242, 1317, 1702, 1998, 2553, 2634, 3951, 5106, 7659, 7902, 10097, 11853, 15318, 16243, 20194, 22977, 23706, 30291, 32486, 45954, 48729, 60582, 90873, 97458, 146187, 181746, 272619, 292374, 373589, 438561, 545238, 747178, 877122, 1120767, 2241534, 3362301, 6724602, 10086903, 20173806]

約数ペア:

[(1, 20173806), (2, 10086903), (3, 6724602), (6, 3362301), (9, 2241534), (18, 1120767), (23, 877122), (27, 747178), (37, 545238), (46, 438561), (54, 373589), (69, 292374), (74, 272619), (111, 181746), (138, 146187), (207, 97458), (222, 90873), (333, 60582), (414, 48729), (439, 45954), (621, 32486), (666, 30291), (851, 23706), (878, 22977), (999, 20194), (1242, 16243), (1317, 15318), (1702, 11853), (1998, 10097), (2553, 7902), (2634, 7659), (3951, 5106)]