20026930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{839}}^1$

素因数の和:895

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 26421710

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 31, 35, 55, 62, 70, 77, 110, 154, 155, 217, 310, 341, 385, 434, 682, 770, 839, 1085, 1678, 1705, 2170, 2387, 3410, 4195, 4774, 5873, 8390, 9229, 11746, 11935, 18458, 23870, 26009, 29365, 46145, 52018, 58730, 64603, 92290, 129206, 130045, 182063, 260090, 286099, 323015, 364126, 572198, 646030, 910315, 1430495, 1820630, 2002693, 2860990, 4005386, 10013465, 20026930]

約数ペア:

[(1, 20026930), (2, 10013465), (5, 4005386), (7, 2860990), (10, 2002693), (11, 1820630), (14, 1430495), (22, 910315), (31, 646030), (35, 572198), (55, 364126), (62, 323015), (70, 286099), (77, 260090), (110, 182063), (154, 130045), (155, 129206), (217, 92290), (310, 64603), (341, 58730), (385, 52018), (434, 46145), (682, 29365), (770, 26009), (839, 23870), (1085, 18458), (1678, 11935), (1705, 11746), (2170, 9229), (2387, 8390), (3410, 5873), (4195, 4774)]