20348173671

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{251}}^1\times {\mathrm{1021}}^1$

素因数の和:1500

約数の個数: 64

約数和(自身を含む): 32965632000

約数和(自身を除く): 12617458329

約数列:

[1, 3, 7, 19, 21, 57, 133, 199, 251, 399, 597, 753, 1021, 1393, 1757, 3063, 3781, 4179, 4769, 5271, 7147, 11343, 14307, 19399, 21441, 26467, 33383, 49949, 58197, 79401, 100149, 135793, 149847, 203179, 256271, 349643, 407379, 609537, 768813, 949031, 1048929, 1422253, 1793897, 2847093, 3860401, 4266759, 4869149, 5381691, 6643217, 11581203, 14607447, 19929651, 27022807, 34084043, 50997929, 81068421, 102252129, 152993787, 356985503, 968960651, 1070956509, 2906881953, 6782724557, 20348173671]

約数ペア:

[(1, 20348173671), (3, 6782724557), (7, 2906881953), (19, 1070956509), (21, 968960651), (57, 356985503), (133, 152993787), (199, 102252129), (251, 81068421), (399, 50997929), (597, 34084043), (753, 27022807), (1021, 19929651), (1393, 14607447), (1757, 11581203), (3063, 6643217), (3781, 5381691), (4179, 4869149), (4769, 4266759), (5271, 3860401), (7147, 2847093), (11343, 1793897), (14307, 1422253), (19399, 1048929), (21441, 949031), (26467, 768813), (33383, 609537), (49949, 407379), (58197, 349643), (79401, 256271), (100149, 203179), (135793, 149847)]