20867071064

素因数分解:

$2^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1\times {\mathrm{20611}}^1$

素因数の和:20904

約数の個数: 64

約数和(自身を含む): 45412358400

約数和(自身を除く): 24545287336

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 101, 179, 202, 358, 404, 707, 716, 808, 1253, 1414, 1432, 2506, 2828, 5012, 5656, 10024, 18079, 20611, 36158, 41222, 72316, 82444, 126553, 144277, 144632, 164888, 253106, 288554, 506212, 577108, 1012424, 1154216, 2081711, 3689369, 4163422, 7378738, 8326844, 14571977, 14757476, 16653688, 25825583, 29143954, 29514952, 51651166, 58287908, 103302332, 116575816, 206604664, 372626269, 745252538, 1490505076, 2608383883, 2981010152, 5216767766, 10433535532, 20867071064]

約数ペア:

[(1, 20867071064), (2, 10433535532), (4, 5216767766), (7, 2981010152), (8, 2608383883), (14, 1490505076), (28, 745252538), (56, 372626269), (101, 206604664), (179, 116575816), (202, 103302332), (358, 58287908), (404, 51651166), (707, 29514952), (716, 29143954), (808, 25825583), (1253, 16653688), (1414, 14757476), (1432, 14571977), (2506, 8326844), (2828, 7378738), (5012, 4163422), (5656, 3689369), (10024, 2081711), (18079, 1154216), (20611, 1012424), (36158, 577108), (41222, 506212), (72316, 288554), (82444, 253106), (126553, 164888), (144277, 144632)]