20901114

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{499}}^1$

素因数の和:699

約数の個数: 48

約数和(自身を含む): 49140000

約数和(自身を除く): 28238886

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 179, 234, 358, 499, 537, 998, 1074, 1497, 1611, 2327, 2994, 3222, 4491, 4654, 6487, 6981, 8982, 12974, 13962, 19461, 20943, 38922, 41886, 58383, 89321, 116766, 178642, 267963, 535926, 803889, 1161173, 1607778, 2322346, 3483519, 6967038, 10450557, 20901114]

約数ペア:

[(1, 20901114), (2, 10450557), (3, 6967038), (6, 3483519), (9, 2322346), (13, 1607778), (18, 1161173), (26, 803889), (39, 535926), (78, 267963), (117, 178642), (179, 116766), (234, 89321), (358, 58383), (499, 41886), (537, 38922), (998, 20943), (1074, 19461), (1497, 13962), (1611, 12974), (2327, 8982), (2994, 6981), (3222, 6487), (4491, 4654)]