20168085100

素因数分解:

$2^2\times 5^2\times {\mathrm{137}}^1\times {\mathrm{631}}^1\times {\mathrm{2333}}^1$

素因数の和:3115

約数の個数: 72

約数和(自身を含む): 44172985248

約数和(自身を除く): 24004900148

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 137, 274, 548, 631, 685, 1262, 1370, 2333, 2524, 2740, 3155, 3425, 4666, 6310, 6850, 9332, 11665, 12620, 13700, 15775, 23330, 31550, 46660, 58325, 63100, 86447, 116650, 172894, 233300, 319621, 345788, 432235, 639242, 864470, 1278484, 1472123, 1598105, 1728940, 2161175, 2944246, 3196210, 4322350, 5888492, 6392420, 7360615, 7990525, 8644700, 14721230, 15981050, 29442460, 31962100, 36803075, 73606150, 147212300, 201680851, 403361702, 806723404, 1008404255, 2016808510, 4033617020, 5042021275, 10084042550, 20168085100]

約数ペア:

[(1, 20168085100), (2, 10084042550), (4, 5042021275), (5, 4033617020), (10, 2016808510), (20, 1008404255), (25, 806723404), (50, 403361702), (100, 201680851), (137, 147212300), (274, 73606150), (548, 36803075), (631, 31962100), (685, 29442460), (1262, 15981050), (1370, 14721230), (2333, 8644700), (2524, 7990525), (2740, 7360615), (3155, 6392420), (3425, 5888492), (4666, 4322350), (6310, 3196210), (6850, 2944246), (9332, 2161175), (11665, 1728940), (12620, 1598105), (13700, 1472123), (15775, 1278484), (23330, 864470), (31550, 639242), (46660, 432235), (58325, 345788), (63100, 319621), (86447, 233300), (116650, 172894)]