20161521832

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4278761}}^1$

素因数の和:4278817

約数の個数: 32

約数和(自身を含む): 41076115200

約数和(自身を除く): 20914593368

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 124, 152, 248, 589, 1178, 2356, 4712, 4278761, 8557522, 17115044, 34230088, 81296459, 132641591, 162592918, 265283182, 325185836, 530566364, 650371672, 1061132728, 2520190229, 5040380458, 10080760916, 20161521832]

約数ペア:

[(1, 20161521832), (2, 10080760916), (4, 5040380458), (8, 2520190229), (19, 1061132728), (31, 650371672), (38, 530566364), (62, 325185836), (76, 265283182), (124, 162592918), (152, 132641591), (248, 81296459), (589, 34230088), (1178, 17115044), (2356, 8557522), (4712, 4278761)]