20178978118

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{610633}}^1$

素因数の和:610720

約数の個数: 32

約数和(自身を含む): 34469068032

約数和(自身を除く): 14290089914

約数列:

[1, 2, 13, 26, 31, 41, 62, 82, 403, 533, 806, 1066, 1271, 2542, 16523, 33046, 610633, 1221266, 7938229, 15876458, 18929623, 25035953, 37859246, 50071906, 246085099, 325467389, 492170198, 650934778, 776114543, 1552229086, 10089489059, 20178978118]

約数ペア:

[(1, 20178978118), (2, 10089489059), (13, 1552229086), (26, 776114543), (31, 650934778), (41, 492170198), (62, 325467389), (82, 246085099), (403, 50071906), (533, 37859246), (806, 25035953), (1066, 18929623), (1271, 15876458), (2542, 7938229), (16523, 1221266), (33046, 610633)]