20163690045

素因数分解:

$3^4\times 5^1\times {\mathrm{10723}}^1\times {\mathrm{4643}}^1$

素因数の和:15383

約数の個数: 40

約数和(自身を含む): 36156437856

約数和(自身を除く): 15992747811

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4643, 10723, 13929, 23215, 32169, 41787, 53615, 69645, 96507, 125361, 160845, 208935, 289521, 376083, 482535, 626805, 868563, 1447605, 1880415, 4342815, 49786889, 149360667, 248934445, 448082001, 746803335, 1344246003, 2240410005, 4032738009, 6721230015, 20163690045]

約数ペア:

[(1, 20163690045), (3, 6721230015), (5, 4032738009), (9, 2240410005), (15, 1344246003), (27, 746803335), (45, 448082001), (81, 248934445), (135, 149360667), (405, 49786889), (4643, 4342815), (10723, 1880415), (13929, 1447605), (23215, 868563), (32169, 626805), (41787, 482535), (53615, 376083), (69645, 289521), (96507, 208935), (125361, 160845)]