20731470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{983}}^1$

素因数の和:1049

約数の個数: 64

約数和(自身を含む): 53844480

約数和(自身を除く): 33113010

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 37, 38, 57, 74, 95, 111, 114, 185, 190, 222, 285, 370, 555, 570, 703, 983, 1110, 1406, 1966, 2109, 2949, 3515, 4218, 4915, 5898, 7030, 9830, 10545, 14745, 18677, 21090, 29490, 36371, 37354, 56031, 72742, 93385, 109113, 112062, 181855, 186770, 218226, 280155, 363710, 545565, 560310, 691049, 1091130, 1382098, 2073147, 3455245, 4146294, 6910490, 10365735, 20731470]

約数ペア:

[(1, 20731470), (2, 10365735), (3, 6910490), (5, 4146294), (6, 3455245), (10, 2073147), (15, 1382098), (19, 1091130), (30, 691049), (37, 560310), (38, 545565), (57, 363710), (74, 280155), (95, 218226), (111, 186770), (114, 181855), (185, 112062), (190, 109113), (222, 93385), (285, 72742), (370, 56031), (555, 37354), (570, 36371), (703, 29490), (983, 21090), (1110, 18677), (1406, 14745), (1966, 10545), (2109, 9830), (2949, 7030), (3515, 5898), (4218, 4915)]