20591340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4457}}^1$

素因数の和:4487

約数の個数: 96

約数和(自身を含む): 71898624

約数和(自身を除く): 51307284

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, 4457, 4620, 8914, 13371, 17828, 22285, 26742, 31199, 44570, 49027, 53484, 62398, 66855, 89140, 93597, 98054, 124796, 133710, 147081, 155995, 187194, 196108, 245135, 267420, 294162, 311990, 343189, 374388, 467985, 490270, 588324, 623980, 686378, 735405, 935970, 980540, 1029567, 1372756, 1470810, 1715945, 1871940, 2059134, 2941620, 3431890, 4118268, 5147835, 6863780, 10295670, 20591340]

約数ペア:

[(1, 20591340), (2, 10295670), (3, 6863780), (4, 5147835), (5, 4118268), (6, 3431890), (7, 2941620), (10, 2059134), (11, 1871940), (12, 1715945), (14, 1470810), (15, 1372756), (20, 1029567), (21, 980540), (22, 935970), (28, 735405), (30, 686378), (33, 623980), (35, 588324), (42, 490270), (44, 467985), (55, 374388), (60, 343189), (66, 311990), (70, 294162), (77, 267420), (84, 245135), (105, 196108), (110, 187194), (132, 155995), (140, 147081), (154, 133710), (165, 124796), (210, 98054), (220, 93597), (231, 89140), (308, 66855), (330, 62398), (385, 53484), (420, 49027), (462, 44570), (660, 31199), (770, 26742), (924, 22285), (1155, 17828), (1540, 13371), (2310, 8914), (4457, 4620)]