20558152

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{641}}^1$

素因数の和:877

約数の個数: 32

約数和(自身を含む): 40831200

約数和(自身を除く): 20273048

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 211, 422, 641, 844, 1282, 1688, 2564, 4009, 5128, 8018, 12179, 16036, 24358, 32072, 48716, 97432, 135251, 270502, 541004, 1082008, 2569769, 5139538, 10279076, 20558152]

約数ペア:

[(1, 20558152), (2, 10279076), (4, 5139538), (8, 2569769), (19, 1082008), (38, 541004), (76, 270502), (152, 135251), (211, 97432), (422, 48716), (641, 32072), (844, 24358), (1282, 16036), (1688, 12179), (2564, 8018), (4009, 5128)]