20115343870

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{269}}^1\times {\mathrm{709}}^1$

素因数の和:1237

約数の個数: 64

約数和(自身を含む): 37266480000

約数和(自身を除く): 17151136130

約数列:

[1, 2, 5, 10, 53, 106, 199, 265, 269, 398, 530, 538, 709, 995, 1345, 1418, 1990, 2690, 3545, 7090, 10547, 14257, 21094, 28514, 37577, 52735, 53531, 71285, 75154, 105470, 107062, 141091, 142570, 187885, 190721, 267655, 282182, 375770, 381442, 535310, 705455, 953605, 1410910, 1907210, 2837143, 5674286, 7477823, 10108213, 14185715, 14955646, 20216426, 28371430, 37389115, 37953479, 50541065, 74778230, 75906958, 101082130, 189767395, 379534790, 2011534387, 4023068774, 10057671935, 20115343870]

約数ペア:

[(1, 20115343870), (2, 10057671935), (5, 4023068774), (10, 2011534387), (53, 379534790), (106, 189767395), (199, 101082130), (265, 75906958), (269, 74778230), (398, 50541065), (530, 37953479), (538, 37389115), (709, 28371430), (995, 20216426), (1345, 14955646), (1418, 14185715), (1990, 10108213), (2690, 7477823), (3545, 5674286), (7090, 2837143), (10547, 1907210), (14257, 1410910), (21094, 953605), (28514, 705455), (37577, 535310), (52735, 381442), (53531, 375770), (71285, 282182), (75154, 267655), (105470, 190721), (107062, 187885), (141091, 142570)]