20264610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{683}}^1$

素因数の和:759

約数の個数: 64

約数和(自身を含む): 52005888

約数和(自身を除く): 31741278

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 43, 46, 69, 86, 115, 129, 138, 215, 230, 258, 345, 430, 645, 683, 690, 989, 1290, 1366, 1978, 2049, 2967, 3415, 4098, 4945, 5934, 6830, 9890, 10245, 14835, 15709, 20490, 29369, 29670, 31418, 47127, 58738, 78545, 88107, 94254, 146845, 157090, 176214, 235635, 293690, 440535, 471270, 675487, 881070, 1350974, 2026461, 3377435, 4052922, 6754870, 10132305, 20264610]

約数ペア:

[(1, 20264610), (2, 10132305), (3, 6754870), (5, 4052922), (6, 3377435), (10, 2026461), (15, 1350974), (23, 881070), (30, 675487), (43, 471270), (46, 440535), (69, 293690), (86, 235635), (115, 176214), (129, 157090), (138, 146845), (215, 94254), (230, 88107), (258, 78545), (345, 58738), (430, 47127), (645, 31418), (683, 29670), (690, 29369), (989, 20490), (1290, 15709), (1366, 14835), (1978, 10245), (2049, 9890), (2967, 6830), (3415, 5934), (4098, 4945)]