20988108

素因数分解:

$2^2\times 3^2\times {\mathrm{179}}^1\times {\mathrm{3257}}^1$

素因数の和:3446

約数の個数: 36

約数和(自身を含む): 53366040

約数和(自身を除く): 32377932

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 179, 358, 537, 716, 1074, 1611, 2148, 3222, 3257, 6444, 6514, 9771, 13028, 19542, 29313, 39084, 58626, 117252, 583003, 1166006, 1749009, 2332012, 3498018, 5247027, 6996036, 10494054, 20988108]

約数ペア:

[(1, 20988108), (2, 10494054), (3, 6996036), (4, 5247027), (6, 3498018), (9, 2332012), (12, 1749009), (18, 1166006), (36, 583003), (179, 117252), (358, 58626), (537, 39084), (716, 29313), (1074, 19542), (1611, 13028), (2148, 9771), (3222, 6514), (3257, 6444)]