20199081812

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1353463}}^1$

素因数の和:1353528

約数の個数: 48

約数和(自身を含む): 44566862592

約数和(自身を除く): 24367780780

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 41, 52, 82, 91, 164, 182, 287, 364, 533, 574, 1066, 1148, 2132, 3731, 7462, 14924, 1353463, 2706926, 5413852, 9474241, 17595019, 18948482, 35190038, 37896964, 55491983, 70380076, 110983966, 123165133, 221967932, 246330266, 388443881, 492660532, 721395779, 776887762, 1442791558, 1553775524, 2885583116, 5049770453, 10099540906, 20199081812]

約数ペア:

[(1, 20199081812), (2, 10099540906), (4, 5049770453), (7, 2885583116), (13, 1553775524), (14, 1442791558), (26, 776887762), (28, 721395779), (41, 492660532), (52, 388443881), (82, 246330266), (91, 221967932), (164, 123165133), (182, 110983966), (287, 70380076), (364, 55491983), (533, 37896964), (574, 35190038), (1066, 18948482), (1148, 17595019), (2132, 9474241), (3731, 5413852), (7462, 2706926), (14924, 1353463)]