20355230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1$

素因数の和:353

約数の個数: 64

約数和(自身を含む): 44789760

約数和(自身を除く): 24434530

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 47, 70, 94, 115, 161, 230, 235, 269, 322, 329, 470, 538, 658, 805, 1081, 1345, 1610, 1645, 1883, 2162, 2690, 3290, 3766, 5405, 6187, 7567, 9415, 10810, 12374, 12643, 15134, 18830, 25286, 30935, 37835, 43309, 61870, 63215, 75670, 86618, 88501, 126430, 177002, 216545, 290789, 433090, 442505, 581578, 885010, 1453945, 2035523, 2907890, 4071046, 10177615, 20355230]

約数ペア:

[(1, 20355230), (2, 10177615), (5, 4071046), (7, 2907890), (10, 2035523), (14, 1453945), (23, 885010), (35, 581578), (46, 442505), (47, 433090), (70, 290789), (94, 216545), (115, 177002), (161, 126430), (230, 88501), (235, 86618), (269, 75670), (322, 63215), (329, 61870), (470, 43309), (538, 37835), (658, 30935), (805, 25286), (1081, 18830), (1345, 15134), (1610, 12643), (1645, 12374), (1883, 10810), (2162, 9415), (2690, 7567), (3290, 6187), (3766, 5405)]