20924980940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{601}}^1\times {\mathrm{75689}}^1$

素因数の和:76322

約数の個数: 48

約数和(自身を含む): 45929903040

約数和(自身を除く): 25004922100

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 601, 1202, 2404, 3005, 6010, 12020, 13823, 27646, 55292, 69115, 75689, 138230, 151378, 276460, 302756, 378445, 756890, 1513780, 1740847, 3481694, 6963388, 8704235, 17408470, 34816940, 45489089, 90978178, 181956356, 227445445, 454890890, 909781780, 1046249047, 2092498094, 4184996188, 5231245235, 10462490470, 20924980940]

約数ペア:

[(1, 20924980940), (2, 10462490470), (4, 5231245235), (5, 4184996188), (10, 2092498094), (20, 1046249047), (23, 909781780), (46, 454890890), (92, 227445445), (115, 181956356), (230, 90978178), (460, 45489089), (601, 34816940), (1202, 17408470), (2404, 8704235), (3005, 6963388), (6010, 3481694), (12020, 1740847), (13823, 1513780), (27646, 756890), (55292, 378445), (69115, 302756), (75689, 276460), (138230, 151378)]