20216742015

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{4409}}^1$

素因数の和:4656

約数の個数: 64

約数和(自身を含む): 34139750400

約数和(自身を除く): 13923008385

約数列:

[1, 3, 5, 15, 29, 83, 87, 127, 145, 249, 381, 415, 435, 635, 1245, 1905, 2407, 3683, 4409, 7221, 10541, 11049, 12035, 13227, 18415, 22045, 31623, 36105, 52705, 55245, 66135, 127861, 158115, 305689, 365947, 383583, 559943, 639305, 917067, 1097841, 1528445, 1679829, 1829735, 1917915, 2799715, 4585335, 5489205, 8399145, 10612463, 16238347, 31837389, 46475269, 48715041, 53062315, 81191735, 139425807, 159186945, 232376345, 243575205, 697129035, 1347782801, 4043348403, 6738914005, 20216742015]

約数ペア:

[(1, 20216742015), (3, 6738914005), (5, 4043348403), (15, 1347782801), (29, 697129035), (83, 243575205), (87, 232376345), (127, 159186945), (145, 139425807), (249, 81191735), (381, 53062315), (415, 48715041), (435, 46475269), (635, 31837389), (1245, 16238347), (1905, 10612463), (2407, 8399145), (3683, 5489205), (4409, 4585335), (7221, 2799715), (10541, 1917915), (11049, 1829735), (12035, 1679829), (13227, 1528445), (18415, 1097841), (22045, 917067), (31623, 639305), (36105, 559943), (52705, 383583), (55245, 365947), (66135, 305689), (127861, 158115)]