20169450

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1$

素因数の和:381

約数の個数: 144

約数和(自身を含む): 65382720

約数和(自身を除く): 45213270

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 25, 30, 35, 38, 42, 45, 50, 57, 63, 70, 75, 90, 95, 105, 114, 126, 133, 150, 171, 175, 190, 210, 225, 266, 285, 315, 337, 342, 350, 399, 450, 475, 525, 570, 630, 665, 674, 798, 855, 950, 1011, 1050, 1197, 1330, 1425, 1575, 1685, 1710, 1995, 2022, 2359, 2394, 2850, 3033, 3150, 3325, 3370, 3990, 4275, 4718, 5055, 5985, 6066, 6403, 6650, 7077, 8425, 8550, 9975, 10110, 11795, 11970, 12806, 14154, 15165, 16850, 19209, 19950, 21231, 23590, 25275, 29925, 30330, 32015, 35385, 38418, 42462, 44821, 50550, 57627, 58975, 59850, 64030, 70770, 75825, 89642, 96045, 106155, 115254, 117950, 134463, 151650, 160075, 176925, 192090, 212310, 224105, 268926, 288135, 320150, 353850, 403389, 448210, 480225, 530775, 576270, 672315, 806778, 960450, 1061550, 1120525, 1344630, 1440675, 2016945, 2241050, 2881350, 3361575, 4033890, 6723150, 10084725, 20169450]

約数ペア:

[(1, 20169450), (2, 10084725), (3, 6723150), (5, 4033890), (6, 3361575), (7, 2881350), (9, 2241050), (10, 2016945), (14, 1440675), (15, 1344630), (18, 1120525), (19, 1061550), (21, 960450), (25, 806778), (30, 672315), (35, 576270), (38, 530775), (42, 480225), (45, 448210), (50, 403389), (57, 353850), (63, 320150), (70, 288135), (75, 268926), (90, 224105), (95, 212310), (105, 192090), (114, 176925), (126, 160075), (133, 151650), (150, 134463), (171, 117950), (175, 115254), (190, 106155), (210, 96045), (225, 89642), (266, 75825), (285, 70770), (315, 64030), (337, 59850), (342, 58975), (350, 57627), (399, 50550), (450, 44821), (475, 42462), (525, 38418), (570, 35385), (630, 32015), (665, 30330), (674, 29925), (798, 25275), (855, 23590), (950, 21231), (1011, 19950), (1050, 19209), (1197, 16850), (1330, 15165), (1425, 14154), (1575, 12806), (1685, 11970), (1710, 11795), (1995, 10110), (2022, 9975), (2359, 8550), (2394, 8425), (2850, 7077), (3033, 6650), (3150, 6403), (3325, 6066), (3370, 5985), (3990, 5055), (4275, 4718)]