20873157195

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{28307}}^1$

素因数の和:28476

約数の個数: 64

約数和(自身を含む): 37665492480

約数和(自身を除く): 16792335285

約数列:

[1, 3, 5, 11, 15, 33, 41, 55, 109, 123, 165, 205, 327, 451, 545, 615, 1199, 1353, 1635, 2255, 3597, 4469, 5995, 6765, 13407, 17985, 22345, 28307, 49159, 67035, 84921, 141535, 147477, 245795, 311377, 424605, 737385, 934131, 1160587, 1556885, 3085463, 3481761, 4670655, 5802935, 9256389, 12766457, 15427315, 17408805, 33940093, 38299371, 46281945, 63832285, 101820279, 126503983, 169700465, 191496855, 379511949, 509101395, 632519915, 1391543813, 1897559745, 4174631439, 6957719065, 20873157195]

約数ペア:

[(1, 20873157195), (3, 6957719065), (5, 4174631439), (11, 1897559745), (15, 1391543813), (33, 632519915), (41, 509101395), (55, 379511949), (109, 191496855), (123, 169700465), (165, 126503983), (205, 101820279), (327, 63832285), (451, 46281945), (545, 38299371), (615, 33940093), (1199, 17408805), (1353, 15427315), (1635, 12766457), (2255, 9256389), (3597, 5802935), (4469, 4670655), (5995, 3481761), (6765, 3085463), (13407, 1556885), (17985, 1160587), (22345, 934131), (28307, 737385), (49159, 424605), (67035, 311377), (84921, 245795), (141535, 147477)]