20022860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7001}}^1$

素因数の和:7034

約数の個数: 48

約数和(自身を含む): 49406112

約数和(自身を除く): 29383252

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 7001, 14002, 28004, 35005, 70010, 77011, 91013, 140020, 154022, 182026, 308044, 364052, 385055, 455065, 770110, 910130, 1001143, 1540220, 1820260, 2002286, 4004572, 5005715, 10011430, 20022860]

約数ペア:

[(1, 20022860), (2, 10011430), (4, 5005715), (5, 4004572), (10, 2002286), (11, 1820260), (13, 1540220), (20, 1001143), (22, 910130), (26, 770110), (44, 455065), (52, 385055), (55, 364052), (65, 308044), (110, 182026), (130, 154022), (143, 140020), (220, 91013), (260, 77011), (286, 70010), (572, 35005), (715, 28004), (1430, 14002), (2860, 7001)]