20163375385

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{11447}}^1$

素因数の和:11562

約数の個数: 48

約数和(自身を含む): 27329031936

約数和(自身を除く): 7165656551

約数列:

[1, 5, 17, 23, 53, 85, 115, 265, 289, 391, 901, 1219, 1445, 1955, 4505, 6095, 6647, 11447, 15317, 20723, 33235, 57235, 76585, 103615, 194599, 263281, 352291, 606691, 972995, 1316405, 1761455, 3033455, 3308183, 4475777, 10313747, 13953893, 16540915, 22378885, 51568735, 69769465, 76088209, 175333699, 237216181, 380441045, 876668495, 1186080905, 4032675077, 20163375385]

約数ペア:

[(1, 20163375385), (5, 4032675077), (17, 1186080905), (23, 876668495), (53, 380441045), (85, 237216181), (115, 175333699), (265, 76088209), (289, 69769465), (391, 51568735), (901, 22378885), (1219, 16540915), (1445, 13953893), (1955, 10313747), (4505, 4475777), (6095, 3308183), (6647, 3033455), (11447, 1761455), (15317, 1316405), (20723, 972995), (33235, 606691), (57235, 352291), (76585, 263281), (103615, 194599)]