20126043910

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{299807}}^1$

素因数の和:299965

約数の個数: 48

約数和(自身を含む): 42449215104

約数和(自身を除く): 22323171194

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 137, 245, 274, 490, 685, 959, 1370, 1918, 4795, 6713, 9590, 13426, 33565, 67130, 299807, 599614, 1499035, 2098649, 2998070, 4197298, 10493245, 14690543, 20986490, 29381086, 41073559, 73452715, 82147118, 146905430, 205367795, 287514913, 410735590, 575029826, 1437574565, 2012604391, 2875149130, 4025208782, 10063021955, 20126043910]

約数ペア:

[(1, 20126043910), (2, 10063021955), (5, 4025208782), (7, 2875149130), (10, 2012604391), (14, 1437574565), (35, 575029826), (49, 410735590), (70, 287514913), (98, 205367795), (137, 146905430), (245, 82147118), (274, 73452715), (490, 41073559), (685, 29381086), (959, 20986490), (1370, 14690543), (1918, 10493245), (4795, 4197298), (6713, 2998070), (9590, 2098649), (13426, 1499035), (33565, 599614), (67130, 299807)]