20101784997

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{325477}}^1$

素因数の和:325677

約数の個数: 32

約数和(自身を含む): 32620707072

約数和(自身を除く): 12518922075

約数列:

[1, 3, 7, 17, 21, 51, 119, 173, 357, 519, 1211, 2941, 3633, 8823, 20587, 61761, 325477, 976431, 2278339, 5533109, 6835017, 16599327, 38731763, 56307521, 116195289, 168922563, 394152647, 957227857, 1182457941, 2871683571, 6700594999, 20101784997]

約数ペア:

[(1, 20101784997), (3, 6700594999), (7, 2871683571), (17, 1182457941), (21, 957227857), (51, 394152647), (119, 168922563), (173, 116195289), (357, 56307521), (519, 38731763), (1211, 16599327), (2941, 6835017), (3633, 5533109), (8823, 2278339), (20587, 976431), (61761, 325477)]