20123009790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{973537}}^1$

素因数の和:973613

約数の個数: 64

約数和(自身を含む): 52991620416

約数和(自身を除く): 32868610626

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 53, 65, 78, 106, 130, 159, 195, 265, 318, 390, 530, 689, 795, 1378, 1590, 2067, 3445, 4134, 6890, 10335, 20670, 973537, 1947074, 2920611, 4867685, 5841222, 9735370, 12655981, 14603055, 25311962, 29206110, 37967943, 51597461, 63279905, 75935886, 103194922, 126559810, 154792383, 189839715, 257987305, 309584766, 379679430, 515974610, 670766993, 773961915, 1341533986, 1547923830, 2012300979, 3353834965, 4024601958, 6707669930, 10061504895, 20123009790]

約数ペア:

[(1, 20123009790), (2, 10061504895), (3, 6707669930), (5, 4024601958), (6, 3353834965), (10, 2012300979), (13, 1547923830), (15, 1341533986), (26, 773961915), (30, 670766993), (39, 515974610), (53, 379679430), (65, 309584766), (78, 257987305), (106, 189839715), (130, 154792383), (159, 126559810), (195, 103194922), (265, 75935886), (318, 63279905), (390, 51597461), (530, 37967943), (689, 29206110), (795, 25311962), (1378, 14603055), (1590, 12655981), (2067, 9735370), (3445, 5841222), (4134, 4867685), (6890, 2920611), (10335, 1947074), (20670, 973537)]