20034968

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1481}}^1$

素因数の和:1595

約数の個数: 32

約数和(自身を含む): 40014000

約数和(自身を除く): 19979032

約数列:

[1, 2, 4, 8, 19, 38, 76, 89, 152, 178, 356, 712, 1481, 1691, 2962, 3382, 5924, 6764, 11848, 13528, 28139, 56278, 112556, 131809, 225112, 263618, 527236, 1054472, 2504371, 5008742, 10017484, 20034968]

約数ペア:

[(1, 20034968), (2, 10017484), (4, 5008742), (8, 2504371), (19, 1054472), (38, 527236), (76, 263618), (89, 225112), (152, 131809), (178, 112556), (356, 56278), (712, 28139), (1481, 13528), (1691, 11848), (2962, 6764), (3382, 5924)]