20452284

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{9967}}^1$

素因数の和:9999

約数の個数: 48

約数和(自身を含む): 55820800

約数和(自身を除く): 35368516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 9967, 19934, 29901, 39868, 59802, 89703, 119604, 179406, 189373, 269109, 358812, 378746, 538218, 568119, 757492, 1076436, 1136238, 1704357, 2272476, 3408714, 5113071, 6817428, 10226142, 20452284]

約数ペア:

[(1, 20452284), (2, 10226142), (3, 6817428), (4, 5113071), (6, 3408714), (9, 2272476), (12, 1704357), (18, 1136238), (19, 1076436), (27, 757492), (36, 568119), (38, 538218), (54, 378746), (57, 358812), (76, 269109), (108, 189373), (114, 179406), (171, 119604), (228, 89703), (342, 59802), (513, 39868), (684, 29901), (1026, 19934), (2052, 9967)]