20174881872

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{22121581}}^1$

素因数の和:22121611

約数の個数: 40

約数和(自身を含む): 54861523360

約数和(自身を除く): 34686641488

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 912, 22121581, 44243162, 66364743, 88486324, 132729486, 176972648, 265458972, 353945296, 420310039, 530917944, 840620078, 1061835888, 1260930117, 1681240156, 2521860234, 3362480312, 5043720468, 6724960624, 10087440936, 20174881872]

約数ペア:

[(1, 20174881872), (2, 10087440936), (3, 6724960624), (4, 5043720468), (6, 3362480312), (8, 2521860234), (12, 1681240156), (16, 1260930117), (19, 1061835888), (24, 840620078), (38, 530917944), (48, 420310039), (57, 353945296), (76, 265458972), (114, 176972648), (152, 132729486), (228, 88486324), (304, 66364743), (456, 44243162), (912, 22121581)]