20216310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{353}}^1$

素因数の和:469

約数の個数: 64

約数和(自身を含む): 51383808

約数和(自身を除く): 31167498

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 83, 115, 138, 166, 230, 249, 345, 353, 415, 498, 690, 706, 830, 1059, 1245, 1765, 1909, 2118, 2490, 3530, 3818, 5295, 5727, 8119, 9545, 10590, 11454, 16238, 19090, 24357, 28635, 29299, 40595, 48714, 57270, 58598, 81190, 87897, 121785, 146495, 175794, 243570, 292990, 439485, 673877, 878970, 1347754, 2021631, 3369385, 4043262, 6738770, 10108155, 20216310]

約数ペア:

[(1, 20216310), (2, 10108155), (3, 6738770), (5, 4043262), (6, 3369385), (10, 2021631), (15, 1347754), (23, 878970), (30, 673877), (46, 439485), (69, 292990), (83, 243570), (115, 175794), (138, 146495), (166, 121785), (230, 87897), (249, 81190), (345, 58598), (353, 57270), (415, 48714), (498, 40595), (690, 29299), (706, 28635), (830, 24357), (1059, 19090), (1245, 16238), (1765, 11454), (1909, 10590), (2118, 9545), (2490, 8119), (3530, 5727), (3818, 5295)]