20319364

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 40219200

約数和(自身を除く): 19899836

約数列:

[1, 2, 4, 13, 26, 37, 52, 59, 74, 118, 148, 179, 236, 358, 481, 716, 767, 962, 1534, 1924, 2183, 2327, 3068, 4366, 4654, 6623, 8732, 9308, 10561, 13246, 21122, 26492, 28379, 42244, 56758, 86099, 113516, 137293, 172198, 274586, 344396, 390757, 549172, 781514, 1563028, 5079841, 10159682, 20319364]

約数ペア:

[(1, 20319364), (2, 10159682), (4, 5079841), (13, 1563028), (26, 781514), (37, 549172), (52, 390757), (59, 344396), (74, 274586), (118, 172198), (148, 137293), (179, 113516), (236, 86099), (358, 56758), (481, 42244), (716, 28379), (767, 26492), (962, 21122), (1534, 13246), (1924, 10561), (2183, 9308), (2327, 8732), (3068, 6623), (4366, 4654)]