20797430420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4705301}}^1$

素因数の和:4705340

約数の個数: 48

約数和(自身を含む): 49800916368

約数和(自身を除く): 29003485948

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 4705301, 9410602, 18821204, 23526505, 47053010, 61168913, 79990117, 94106020, 122337826, 159980234, 244675652, 305844565, 319960468, 399950585, 611689130, 799901170, 1039871521, 1223378260, 1599802340, 2079743042, 4159486084, 5199357605, 10398715210, 20797430420]

約数ペア:

[(1, 20797430420), (2, 10398715210), (4, 5199357605), (5, 4159486084), (10, 2079743042), (13, 1599802340), (17, 1223378260), (20, 1039871521), (26, 799901170), (34, 611689130), (52, 399950585), (65, 319960468), (68, 305844565), (85, 244675652), (130, 159980234), (170, 122337826), (221, 94106020), (260, 79990117), (340, 61168913), (442, 47053010), (884, 23526505), (1105, 18821204), (2210, 9410602), (4420, 4705301)]