20037951

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 33078240

約数和(自身を除く): 13040289

約数列:

[1, 3, 9, 17, 19, 51, 57, 61, 113, 153, 171, 183, 323, 339, 549, 969, 1017, 1037, 1159, 1921, 2147, 2907, 3111, 3477, 5763, 6441, 6893, 9333, 10431, 17289, 19323, 19703, 20679, 36499, 59109, 62037, 109497, 117181, 130967, 177327, 328491, 351543, 392901, 1054629, 1178703, 2226439, 6679317, 20037951]

約数ペア:

[(1, 20037951), (3, 6679317), (9, 2226439), (17, 1178703), (19, 1054629), (51, 392901), (57, 351543), (61, 328491), (113, 177327), (153, 130967), (171, 117181), (183, 109497), (323, 62037), (339, 59109), (549, 36499), (969, 20679), (1017, 19703), (1037, 19323), (1159, 17289), (1921, 10431), (2147, 9333), (2907, 6893), (3111, 6441), (3477, 5763)]