20753010

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{25621}}^1$

素因数の和:25640

約数の個数: 40

約数和(自身を含む): 55804716

約数和(自身を除く): 35051706

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 25621, 51242, 76863, 128105, 153726, 230589, 256210, 384315, 461178, 691767, 768630, 1152945, 1383534, 2075301, 2305890, 3458835, 4150602, 6917670, 10376505, 20753010]

約数ペア:

[(1, 20753010), (2, 10376505), (3, 6917670), (5, 4150602), (6, 3458835), (9, 2305890), (10, 2075301), (15, 1383534), (18, 1152945), (27, 768630), (30, 691767), (45, 461178), (54, 384315), (81, 256210), (90, 230589), (135, 153726), (162, 128105), (270, 76863), (405, 51242), (810, 25621)]