20869776

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^1\times {\mathrm{3917}}^1$

素因数の和:3968

約数の個数: 60

約数和(自身を含む): 60000252

約数和(自身を除く): 39130476

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 37, 48, 72, 74, 111, 144, 148, 222, 296, 333, 444, 592, 666, 888, 1332, 1776, 2664, 3917, 5328, 7834, 11751, 15668, 23502, 31336, 35253, 47004, 62672, 70506, 94008, 141012, 144929, 188016, 282024, 289858, 434787, 564048, 579716, 869574, 1159432, 1304361, 1739148, 2318864, 2608722, 3478296, 5217444, 6956592, 10434888, 20869776]

約数ペア:

[(1, 20869776), (2, 10434888), (3, 6956592), (4, 5217444), (6, 3478296), (8, 2608722), (9, 2318864), (12, 1739148), (16, 1304361), (18, 1159432), (24, 869574), (36, 579716), (37, 564048), (48, 434787), (72, 289858), (74, 282024), (111, 188016), (144, 144929), (148, 141012), (222, 94008), (296, 70506), (333, 62672), (444, 47004), (592, 35253), (666, 31336), (888, 23502), (1332, 15668), (1776, 11751), (2664, 7834), (3917, 5328)]