20524980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{48869}}^1$

素因数の和:48888

約数の個数: 48

約数和(自身を含む): 65681280

約数和(自身を除く): 45156300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 48869, 97738, 146607, 195476, 244345, 293214, 342083, 488690, 586428, 684166, 733035, 977380, 1026249, 1368332, 1466070, 1710415, 2052498, 2932140, 3420830, 4104996, 5131245, 6841660, 10262490, 20524980]

約数ペア:

[(1, 20524980), (2, 10262490), (3, 6841660), (4, 5131245), (5, 4104996), (6, 3420830), (7, 2932140), (10, 2052498), (12, 1710415), (14, 1466070), (15, 1368332), (20, 1026249), (21, 977380), (28, 733035), (30, 684166), (35, 586428), (42, 488690), (60, 342083), (70, 293214), (84, 244345), (105, 195476), (140, 146607), (210, 97738), (420, 48869)]