20459908

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{811}}^1$

素因数の和:892

約数の個数: 48

約数和(自身を含む): 44198784

約数和(自身を除く): 23738876

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 53, 68, 106, 119, 212, 238, 371, 476, 742, 811, 901, 1484, 1622, 1802, 3244, 3604, 5677, 6307, 11354, 12614, 13787, 22708, 25228, 27574, 42983, 55148, 85966, 96509, 171932, 193018, 300881, 386036, 601762, 730711, 1203524, 1461422, 2922844, 5114977, 10229954, 20459908]

約数ペア:

[(1, 20459908), (2, 10229954), (4, 5114977), (7, 2922844), (14, 1461422), (17, 1203524), (28, 730711), (34, 601762), (53, 386036), (68, 300881), (106, 193018), (119, 171932), (212, 96509), (238, 85966), (371, 55148), (476, 42983), (742, 27574), (811, 25228), (901, 22708), (1484, 13787), (1622, 12614), (1802, 11354), (3244, 6307), (3604, 5677)]