2020100004

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{253909}}^1$

素因数の和:253949

約数の個数: 72

約数和(自身を含む): 5822664120

約数和(自身を除く): 3802564116

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 442, 468, 612, 663, 884, 1326, 1989, 2652, 3978, 7956, 253909, 507818, 761727, 1015636, 1523454, 2285181, 3046908, 3300817, 4316453, 4570362, 6601634, 8632906, 9140724, 9902451, 12949359, 13203268, 17265812, 19804902, 25898718, 29707353, 38848077, 39609804, 51797436, 56113889, 59414706, 77696154, 112227778, 118829412, 155392308, 168341667, 224455556, 336683334, 505025001, 673366668, 1010050002, 2020100004]

約数ペア:

[(1, 2020100004), (2, 1010050002), (3, 673366668), (4, 505025001), (6, 336683334), (9, 224455556), (12, 168341667), (13, 155392308), (17, 118829412), (18, 112227778), (26, 77696154), (34, 59414706), (36, 56113889), (39, 51797436), (51, 39609804), (52, 38848077), (68, 29707353), (78, 25898718), (102, 19804902), (117, 17265812), (153, 13203268), (156, 12949359), (204, 9902451), (221, 9140724), (234, 8632906), (306, 6601634), (442, 4570362), (468, 4316453), (612, 3300817), (663, 3046908), (884, 2285181), (1326, 1523454), (1989, 1015636), (2652, 761727), (3978, 507818), (7956, 253909)]