20172649698

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{653}}^1\times {\mathrm{8291}}^1$

素因数の和:8981

約数の個数: 80

約数和(自身を含む): 47244897216

約数和(自身を除く): 27072247518

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 414, 621, 653, 1242, 1306, 1863, 1959, 3726, 3918, 5877, 8291, 11754, 15019, 16582, 17631, 24873, 30038, 35262, 45057, 49746, 52893, 74619, 90114, 105786, 135171, 149238, 190693, 223857, 270342, 381386, 405513, 447714, 572079, 671571, 811026, 1144158, 1216539, 1343142, 1716237, 2433078, 3432474, 5148711, 5414023, 10297422, 10828046, 15446133, 16242069, 30892266, 32484138, 48726207, 97452414, 124522529, 146178621, 249045058, 292357242, 373567587, 438535863, 747135174, 877071726, 1120702761, 2241405522, 3362108283, 6724216566, 10086324849, 20172649698]

約数ペア:

[(1, 20172649698), (2, 10086324849), (3, 6724216566), (6, 3362108283), (9, 2241405522), (18, 1120702761), (23, 877071726), (27, 747135174), (46, 438535863), (54, 373567587), (69, 292357242), (81, 249045058), (138, 146178621), (162, 124522529), (207, 97452414), (414, 48726207), (621, 32484138), (653, 30892266), (1242, 16242069), (1306, 15446133), (1863, 10828046), (1959, 10297422), (3726, 5414023), (3918, 5148711), (5877, 3432474), (8291, 2433078), (11754, 1716237), (15019, 1343142), (16582, 1216539), (17631, 1144158), (24873, 811026), (30038, 671571), (35262, 572079), (45057, 447714), (49746, 405513), (52893, 381386), (74619, 270342), (90114, 223857), (105786, 190693), (135171, 149238)]