20071740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25733}}^1$

素因数の和:25758

約数の個数: 48

約数和(自身を含む): 60526368

約数和(自身を除く): 40454628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 25733, 51466, 77199, 102932, 128665, 154398, 257330, 308796, 334529, 385995, 514660, 669058, 771990, 1003587, 1338116, 1543980, 1672645, 2007174, 3345290, 4014348, 5017935, 6690580, 10035870, 20071740]

約数ペア:

[(1, 20071740), (2, 10035870), (3, 6690580), (4, 5017935), (5, 4014348), (6, 3345290), (10, 2007174), (12, 1672645), (13, 1543980), (15, 1338116), (20, 1003587), (26, 771990), (30, 669058), (39, 514660), (52, 385995), (60, 334529), (65, 308796), (78, 257330), (130, 154398), (156, 128665), (195, 102932), (260, 77199), (390, 51466), (780, 25733)]