20721030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{62791}}^1$

素因数の和:62812

約数の個数: 32

約数和(自身を含む): 54252288

約数和(自身を除く): 33531258

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 62791, 125582, 188373, 313955, 376746, 627910, 690701, 941865, 1381402, 1883730, 2072103, 3453505, 4144206, 6907010, 10360515, 20721030]

約数ペア:

[(1, 20721030), (2, 10360515), (3, 6907010), (5, 4144206), (6, 3453505), (10, 2072103), (11, 1883730), (15, 1381402), (22, 941865), (30, 690701), (33, 627910), (55, 376746), (66, 313955), (110, 188373), (165, 125582), (330, 62791)]