20010306532

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{367}}^1\times {\mathrm{619}}^1$

素因数の和:1089

約数の個数: 72

約数和(自身を含む): 37727168640

約数和(自身を除く): 17716862108

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 361, 367, 619, 722, 734, 1159, 1238, 1444, 1468, 2318, 2476, 4636, 6973, 11761, 13946, 22021, 22387, 23522, 27892, 37759, 44042, 44774, 47044, 75518, 88084, 89548, 132487, 151036, 223459, 227173, 264974, 425353, 446918, 454346, 529948, 717421, 850706, 893836, 908692, 1434842, 1701412, 2869684, 4316287, 8081707, 8632574, 13630999, 13857553, 16163414, 17265148, 27261998, 27715106, 32326828, 54523996, 55430212, 82009453, 164018906, 263293507, 328037812, 526587014, 1053174028, 5002576633, 10005153266, 20010306532]

約数ペア:

[(1, 20010306532), (2, 10005153266), (4, 5002576633), (19, 1053174028), (38, 526587014), (61, 328037812), (76, 263293507), (122, 164018906), (244, 82009453), (361, 55430212), (367, 54523996), (619, 32326828), (722, 27715106), (734, 27261998), (1159, 17265148), (1238, 16163414), (1444, 13857553), (1468, 13630999), (2318, 8632574), (2476, 8081707), (4636, 4316287), (6973, 2869684), (11761, 1701412), (13946, 1434842), (22021, 908692), (22387, 893836), (23522, 850706), (27892, 717421), (37759, 529948), (44042, 454346), (44774, 446918), (47044, 425353), (75518, 264974), (88084, 227173), (89548, 223459), (132487, 151036)]