20326542

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:201

約数の個数: 64

約数和(自身を含む): 45235200

約数和(自身を除く): 24908658

約数列:

[1, 2, 3, 6, 19, 37, 38, 57, 61, 74, 79, 111, 114, 122, 158, 183, 222, 237, 366, 474, 703, 1159, 1406, 1501, 2109, 2257, 2318, 2923, 3002, 3477, 4218, 4503, 4514, 4819, 5846, 6771, 6954, 8769, 9006, 9638, 13542, 14457, 17538, 28914, 42883, 55537, 85766, 91561, 111074, 128649, 166611, 178303, 183122, 257298, 274683, 333222, 356606, 534909, 549366, 1069818, 3387757, 6775514, 10163271, 20326542]

約数ペア:

[(1, 20326542), (2, 10163271), (3, 6775514), (6, 3387757), (19, 1069818), (37, 549366), (38, 534909), (57, 356606), (61, 333222), (74, 274683), (79, 257298), (111, 183122), (114, 178303), (122, 166611), (158, 128649), (183, 111074), (222, 91561), (237, 85766), (366, 55537), (474, 42883), (703, 28914), (1159, 17538), (1406, 14457), (1501, 13542), (2109, 9638), (2257, 9006), (2318, 8769), (2923, 6954), (3002, 6771), (3477, 5846), (4218, 4819), (4503, 4514)]