20365170

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2621}}^1$

素因数の和:2675

約数の個数: 64

約数和(自身を含む): 57390336

約数和(自身を除く): 37025166

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 37, 42, 70, 74, 105, 111, 185, 210, 222, 259, 370, 518, 555, 777, 1110, 1295, 1554, 2590, 2621, 3885, 5242, 7770, 7863, 13105, 15726, 18347, 26210, 36694, 39315, 55041, 78630, 91735, 96977, 110082, 183470, 193954, 275205, 290931, 484885, 550410, 581862, 678839, 969770, 1357678, 1454655, 2036517, 2909310, 3394195, 4073034, 6788390, 10182585, 20365170]

約数ペア:

[(1, 20365170), (2, 10182585), (3, 6788390), (5, 4073034), (6, 3394195), (7, 2909310), (10, 2036517), (14, 1454655), (15, 1357678), (21, 969770), (30, 678839), (35, 581862), (37, 550410), (42, 484885), (70, 290931), (74, 275205), (105, 193954), (111, 183470), (185, 110082), (210, 96977), (222, 91735), (259, 78630), (370, 55041), (518, 39315), (555, 36694), (777, 26210), (1110, 18347), (1295, 15726), (1554, 13105), (2590, 7863), (2621, 7770), (3885, 5242)]