20129550

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1009}}^1$

素因数の和:1050

約数の個数: 96

約数和(自身を含む): 60115200

約数和(自身を除く): 39985650

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 25, 30, 35, 38, 42, 50, 57, 70, 75, 95, 105, 114, 133, 150, 175, 190, 210, 266, 285, 350, 399, 475, 525, 570, 665, 798, 950, 1009, 1050, 1330, 1425, 1995, 2018, 2850, 3027, 3325, 3990, 5045, 6054, 6650, 7063, 9975, 10090, 14126, 15135, 19171, 19950, 21189, 25225, 30270, 35315, 38342, 42378, 50450, 57513, 70630, 75675, 95855, 105945, 115026, 134197, 151350, 176575, 191710, 211890, 268394, 287565, 353150, 402591, 479275, 529725, 575130, 670985, 805182, 958550, 1059450, 1341970, 1437825, 2012955, 2875650, 3354925, 4025910, 6709850, 10064775, 20129550]

約数ペア:

[(1, 20129550), (2, 10064775), (3, 6709850), (5, 4025910), (6, 3354925), (7, 2875650), (10, 2012955), (14, 1437825), (15, 1341970), (19, 1059450), (21, 958550), (25, 805182), (30, 670985), (35, 575130), (38, 529725), (42, 479275), (50, 402591), (57, 353150), (70, 287565), (75, 268394), (95, 211890), (105, 191710), (114, 176575), (133, 151350), (150, 134197), (175, 115026), (190, 105945), (210, 95855), (266, 75675), (285, 70630), (350, 57513), (399, 50450), (475, 42378), (525, 38342), (570, 35315), (665, 30270), (798, 25225), (950, 21189), (1009, 19950), (1050, 19171), (1330, 15135), (1425, 14126), (1995, 10090), (2018, 9975), (2850, 7063), (3027, 6650), (3325, 6054), (3990, 5045)]