20437956

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:202

約数の個数: 144

約数和(自身を含む): 65939328

約数和(自身を除く): 45501372

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 73, 77, 84, 99, 101, 126, 132, 146, 154, 198, 202, 219, 231, 252, 292, 303, 308, 396, 404, 438, 462, 511, 606, 657, 693, 707, 803, 876, 909, 924, 1022, 1111, 1212, 1314, 1386, 1414, 1533, 1606, 1818, 2044, 2121, 2222, 2409, 2628, 2772, 2828, 3066, 3212, 3333, 3636, 4242, 4444, 4599, 4818, 5621, 6132, 6363, 6666, 7227, 7373, 7777, 8484, 9198, 9636, 9999, 11242, 12726, 13332, 14454, 14746, 15554, 16863, 18396, 19998, 22119, 22484, 23331, 25452, 28908, 29492, 31108, 33726, 39996, 44238, 46662, 50589, 51611, 66357, 67452, 69993, 81103, 88476, 93324, 101178, 103222, 132714, 139986, 154833, 162206, 202356, 206444, 243309, 265428, 279972, 309666, 324412, 464499, 486618, 567721, 619332, 729927, 928998, 973236, 1135442, 1459854, 1703163, 1857996, 2270884, 2919708, 3406326, 5109489, 6812652, 10218978, 20437956]

約数ペア:

[(1, 20437956), (2, 10218978), (3, 6812652), (4, 5109489), (6, 3406326), (7, 2919708), (9, 2270884), (11, 1857996), (12, 1703163), (14, 1459854), (18, 1135442), (21, 973236), (22, 928998), (28, 729927), (33, 619332), (36, 567721), (42, 486618), (44, 464499), (63, 324412), (66, 309666), (73, 279972), (77, 265428), (84, 243309), (99, 206444), (101, 202356), (126, 162206), (132, 154833), (146, 139986), (154, 132714), (198, 103222), (202, 101178), (219, 93324), (231, 88476), (252, 81103), (292, 69993), (303, 67452), (308, 66357), (396, 51611), (404, 50589), (438, 46662), (462, 44238), (511, 39996), (606, 33726), (657, 31108), (693, 29492), (707, 28908), (803, 25452), (876, 23331), (909, 22484), (924, 22119), (1022, 19998), (1111, 18396), (1212, 16863), (1314, 15554), (1386, 14746), (1414, 14454), (1533, 13332), (1606, 12726), (1818, 11242), (2044, 9999), (2121, 9636), (2222, 9198), (2409, 8484), (2628, 7777), (2772, 7373), (2828, 7227), (3066, 6666), (3212, 6363), (3333, 6132), (3636, 5621), (4242, 4818), (4444, 4599)]