20052172804

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{61231}}^1$

素因数の和:61424

約数の個数: 48

約数和(自身を含む): 38404710400

約数和(自身を除く): 18352537596

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 139, 278, 556, 589, 1178, 2356, 2641, 4309, 5282, 8618, 10564, 17236, 61231, 81871, 122462, 163742, 244924, 327484, 1163389, 1898161, 2326778, 3796322, 4653556, 7592644, 8511109, 17022218, 34044436, 36065059, 72130118, 144260236, 161711071, 263844379, 323422142, 527688758, 646844284, 1055377516, 5013043201, 10026086402, 20052172804]

約数ペア:

[(1, 20052172804), (2, 10026086402), (4, 5013043201), (19, 1055377516), (31, 646844284), (38, 527688758), (62, 323422142), (76, 263844379), (124, 161711071), (139, 144260236), (278, 72130118), (556, 36065059), (589, 34044436), (1178, 17022218), (2356, 8511109), (2641, 7592644), (4309, 4653556), (5282, 3796322), (8618, 2326778), (10564, 1898161), (17236, 1163389), (61231, 327484), (81871, 244924), (122462, 163742)]