20407046940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{16196069}}^1$

素因数の和:16196091

約数の個数: 72

約数和(自身を含む): 70744433760

約数和(自身を除く): 50337386820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 16196069, 32392138, 48588207, 64784276, 80980345, 97176414, 113372483, 145764621, 161960690, 194352828, 226744966, 242941035, 291529242, 323921380, 340117449, 453489932, 485882070, 566862415, 583058484, 680234898, 728823105, 971764140, 1020352347, 1133724830, 1360469796, 1457646210, 1700587245, 2040704694, 2267449660, 2915292420, 3401174490, 4081409388, 5101761735, 6802348980, 10203523470, 20407046940]

約数ペア:

[(1, 20407046940), (2, 10203523470), (3, 6802348980), (4, 5101761735), (5, 4081409388), (6, 3401174490), (7, 2915292420), (9, 2267449660), (10, 2040704694), (12, 1700587245), (14, 1457646210), (15, 1360469796), (18, 1133724830), (20, 1020352347), (21, 971764140), (28, 728823105), (30, 680234898), (35, 583058484), (36, 566862415), (42, 485882070), (45, 453489932), (60, 340117449), (63, 323921380), (70, 291529242), (84, 242941035), (90, 226744966), (105, 194352828), (126, 161960690), (140, 145764621), (180, 113372483), (210, 97176414), (252, 80980345), (315, 64784276), (420, 48588207), (630, 32392138), (1260, 16196069)]