20161971356

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{149}}^2\times {\mathrm{2551}}^1$

素因数の和:2942

約数の個数: 36

約数和(自身を含む): 35935043760

約数和(自身を除く): 15773072404

約数列:

[1, 2, 4, 89, 149, 178, 298, 356, 596, 2551, 5102, 10204, 13261, 22201, 26522, 44402, 53044, 88804, 227039, 380099, 454078, 760198, 908156, 1520396, 1975889, 3951778, 7903556, 33828811, 56634751, 67657622, 113269502, 135315244, 226539004, 5040492839, 10080985678, 20161971356]

約数ペア:

[(1, 20161971356), (2, 10080985678), (4, 5040492839), (89, 226539004), (149, 135315244), (178, 113269502), (298, 67657622), (356, 56634751), (596, 33828811), (2551, 7903556), (5102, 3951778), (10204, 1975889), (13261, 1520396), (22201, 908156), (26522, 760198), (44402, 454078), (53044, 380099), (88804, 227039)]