20126470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1301}}^1$

素因数の和:1345

約数の個数: 64

約数和(自身を含む): 47246976

約数和(自身を除く): 27120506

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 34, 35, 65, 70, 85, 91, 119, 130, 170, 182, 221, 238, 442, 455, 595, 910, 1105, 1190, 1301, 1547, 2210, 2602, 3094, 6505, 7735, 9107, 13010, 15470, 16913, 18214, 22117, 33826, 44234, 45535, 84565, 91070, 110585, 118391, 154819, 169130, 221170, 236782, 287521, 309638, 575042, 591955, 774095, 1183910, 1437605, 1548190, 2012647, 2875210, 4025294, 10063235, 20126470]

約数ペア:

[(1, 20126470), (2, 10063235), (5, 4025294), (7, 2875210), (10, 2012647), (13, 1548190), (14, 1437605), (17, 1183910), (26, 774095), (34, 591955), (35, 575042), (65, 309638), (70, 287521), (85, 236782), (91, 221170), (119, 169130), (130, 154819), (170, 118391), (182, 110585), (221, 91070), (238, 84565), (442, 45535), (455, 44234), (595, 33826), (910, 22117), (1105, 18214), (1190, 16913), (1301, 15470), (1547, 13010), (2210, 9107), (2602, 7735), (3094, 6505)]