20781679380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4498199}}^1$

素因数の和:4498229

約数の個数: 96

約数和(自身を含む): 72546969600

約数和(自身を除く): 51765290220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 132, 140, 154, 165, 210, 220, 231, 308, 330, 385, 420, 462, 660, 770, 924, 1155, 1540, 2310, 4620, 4498199, 8996398, 13494597, 17992796, 22490995, 26989194, 31487393, 44981990, 49480189, 53978388, 62974786, 67472985, 89963980, 94462179, 98960378, 125949572, 134945970, 148440567, 157436965, 188924358, 197920756, 247400945, 269891940, 296881134, 314873930, 346361323, 377848716, 472310895, 494801890, 593762268, 629747860, 692722646, 742202835, 944621790, 989603780, 1039083969, 1385445292, 1484405670, 1731806615, 1889243580, 2078167938, 2968811340, 3463613230, 4156335876, 5195419845, 6927226460, 10390839690, 20781679380]

約数ペア:

[(1, 20781679380), (2, 10390839690), (3, 6927226460), (4, 5195419845), (5, 4156335876), (6, 3463613230), (7, 2968811340), (10, 2078167938), (11, 1889243580), (12, 1731806615), (14, 1484405670), (15, 1385445292), (20, 1039083969), (21, 989603780), (22, 944621790), (28, 742202835), (30, 692722646), (33, 629747860), (35, 593762268), (42, 494801890), (44, 472310895), (55, 377848716), (60, 346361323), (66, 314873930), (70, 296881134), (77, 269891940), (84, 247400945), (105, 197920756), (110, 188924358), (132, 157436965), (140, 148440567), (154, 134945970), (165, 125949572), (210, 98960378), (220, 94462179), (231, 89963980), (308, 67472985), (330, 62974786), (385, 53978388), (420, 49480189), (462, 44981990), (660, 31487393), (770, 26989194), (924, 22490995), (1155, 17992796), (1540, 13494597), (2310, 8996398), (4620, 4498199)]