20541492

素因数分解:

$2^2\times 3^3\times {\mathrm{41}}^1\times {\mathrm{4639}}^1$

素因数の和:4693

約数の個数: 48

約数和(自身を含む): 54566400

約数和(自身を除く): 34024908

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 41, 54, 82, 108, 123, 164, 246, 369, 492, 738, 1107, 1476, 2214, 4428, 4639, 9278, 13917, 18556, 27834, 41751, 55668, 83502, 125253, 167004, 190199, 250506, 380398, 501012, 570597, 760796, 1141194, 1711791, 2282388, 3423582, 5135373, 6847164, 10270746, 20541492]

約数ペア:

[(1, 20541492), (2, 10270746), (3, 6847164), (4, 5135373), (6, 3423582), (9, 2282388), (12, 1711791), (18, 1141194), (27, 760796), (36, 570597), (41, 501012), (54, 380398), (82, 250506), (108, 190199), (123, 167004), (164, 125253), (246, 83502), (369, 55668), (492, 41751), (738, 27834), (1107, 18556), (1476, 13917), (2214, 9278), (4428, 4639)]