20219640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{24071}}^1$

素因数の和:24092

約数の個数: 64

約数和(自身を含む): 69327360

約数和(自身を除く): 49107720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 24071, 48142, 72213, 96284, 120355, 144426, 168497, 192568, 240710, 288852, 336994, 361065, 481420, 505491, 577704, 673988, 722130, 842485, 962840, 1010982, 1347976, 1444260, 1684970, 2021964, 2527455, 2888520, 3369940, 4043928, 5054910, 6739880, 10109820, 20219640]

約数ペア:

[(1, 20219640), (2, 10109820), (3, 6739880), (4, 5054910), (5, 4043928), (6, 3369940), (7, 2888520), (8, 2527455), (10, 2021964), (12, 1684970), (14, 1444260), (15, 1347976), (20, 1010982), (21, 962840), (24, 842485), (28, 722130), (30, 673988), (35, 577704), (40, 505491), (42, 481420), (56, 361065), (60, 336994), (70, 288852), (84, 240710), (105, 192568), (120, 168497), (140, 144426), (168, 120355), (210, 96284), (280, 72213), (420, 48142), (840, 24071)]