20746230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{281}}^1$

素因数の和:421

約数の個数: 64

約数和(自身を含む): 52627968

約数和(自身を除く): 31881738

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 107, 115, 138, 214, 230, 281, 321, 345, 535, 562, 642, 690, 843, 1070, 1405, 1605, 1686, 2461, 2810, 3210, 4215, 4922, 6463, 7383, 8430, 12305, 12926, 14766, 19389, 24610, 30067, 32315, 36915, 38778, 60134, 64630, 73830, 90201, 96945, 150335, 180402, 193890, 300670, 451005, 691541, 902010, 1383082, 2074623, 3457705, 4149246, 6915410, 10373115, 20746230]

約数ペア:

[(1, 20746230), (2, 10373115), (3, 6915410), (5, 4149246), (6, 3457705), (10, 2074623), (15, 1383082), (23, 902010), (30, 691541), (46, 451005), (69, 300670), (107, 193890), (115, 180402), (138, 150335), (214, 96945), (230, 90201), (281, 73830), (321, 64630), (345, 60134), (535, 38778), (562, 36915), (642, 32315), (690, 30067), (843, 24610), (1070, 19389), (1405, 14766), (1605, 12926), (1686, 12305), (2461, 8430), (2810, 7383), (3210, 6463), (4215, 4922)]