20834506

素因数分解:

$2^1\times 7^3\times {\mathrm{11}}^2\times {\mathrm{251}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 40219200

約数和(自身を除く): 19384694

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 121, 154, 242, 251, 343, 502, 539, 686, 847, 1078, 1694, 1757, 2761, 3514, 3773, 5522, 5929, 7546, 11858, 12299, 19327, 24598, 30371, 38654, 41503, 60742, 83006, 86093, 135289, 172186, 212597, 270578, 425194, 947023, 1488179, 1894046, 2976358, 10417253, 20834506]

約数ペア:

[(1, 20834506), (2, 10417253), (7, 2976358), (11, 1894046), (14, 1488179), (22, 947023), (49, 425194), (77, 270578), (98, 212597), (121, 172186), (154, 135289), (242, 86093), (251, 83006), (343, 60742), (502, 41503), (539, 38654), (686, 30371), (847, 24598), (1078, 19327), (1694, 12299), (1757, 11858), (2761, 7546), (3514, 5929), (3773, 5522)]