20573532

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:240

約数の個数: 108

約数和(自身を含む): 61621560

約数和(自身を除く): 41048028

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 107, 109, 126, 147, 196, 214, 218, 252, 294, 321, 327, 428, 436, 441, 588, 642, 654, 749, 763, 882, 963, 981, 1284, 1308, 1498, 1526, 1764, 1926, 1962, 2247, 2289, 2996, 3052, 3852, 3924, 4494, 4578, 5243, 5341, 6741, 6867, 8988, 9156, 10486, 10682, 11663, 13482, 13734, 15729, 16023, 20972, 21364, 23326, 26964, 27468, 31458, 32046, 34989, 46652, 47187, 48069, 62916, 64092, 69978, 81641, 94374, 96138, 104967, 139956, 163282, 188748, 192276, 209934, 244923, 326564, 419868, 489846, 571487, 734769, 979692, 1142974, 1469538, 1714461, 2285948, 2939076, 3428922, 5143383, 6857844, 10286766, 20573532]

約数ペア:

[(1, 20573532), (2, 10286766), (3, 6857844), (4, 5143383), (6, 3428922), (7, 2939076), (9, 2285948), (12, 1714461), (14, 1469538), (18, 1142974), (21, 979692), (28, 734769), (36, 571487), (42, 489846), (49, 419868), (63, 326564), (84, 244923), (98, 209934), (107, 192276), (109, 188748), (126, 163282), (147, 139956), (196, 104967), (214, 96138), (218, 94374), (252, 81641), (294, 69978), (321, 64092), (327, 62916), (428, 48069), (436, 47187), (441, 46652), (588, 34989), (642, 32046), (654, 31458), (749, 27468), (763, 26964), (882, 23326), (963, 21364), (981, 20972), (1284, 16023), (1308, 15729), (1498, 13734), (1526, 13482), (1764, 11663), (1926, 10682), (1962, 10486), (2247, 9156), (2289, 8988), (2996, 6867), (3052, 6741), (3852, 5341), (3924, 5243), (4494, 4578)]