20508738278

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{349871}}^1$

素因数の和:350012

約数の個数: 32

約数和(自身を含む): 36274728960

約数和(自身を除く): 15765990682

約数列:

[1, 2, 7, 14, 53, 79, 106, 158, 371, 553, 742, 1106, 4187, 8374, 29309, 58618, 349871, 699742, 2449097, 4898194, 18543163, 27639809, 37086326, 55279618, 129802141, 193478663, 259604282, 386957326, 1464909877, 2929819754, 10254369139, 20508738278]

約数ペア:

[(1, 20508738278), (2, 10254369139), (7, 2929819754), (14, 1464909877), (53, 386957326), (79, 259604282), (106, 193478663), (158, 129802141), (371, 55279618), (553, 37086326), (742, 27639809), (1106, 18543163), (4187, 4898194), (8374, 2449097), (29309, 699742), (58618, 349871)]