20165659850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{311}}^1\times {\mathrm{809}}^1$

素因数の和:1368

約数の個数: 96

約数和(自身を含む): 43245446400

約数和(自身を除く): 23079786550

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 229, 311, 350, 458, 622, 809, 1145, 1555, 1603, 1618, 2177, 2290, 3110, 3206, 4045, 4354, 5663, 5725, 7775, 8015, 8090, 10885, 11326, 11450, 15550, 16030, 20225, 21770, 28315, 40075, 40450, 54425, 56630, 71219, 80150, 108850, 141575, 142438, 185261, 251599, 283150, 356095, 370522, 498533, 503198, 712190, 926305, 997066, 1257995, 1296827, 1761193, 1780475, 1852610, 2492665, 2515990, 2593654, 3522386, 3560950, 4631525, 4985330, 6289975, 6484135, 8805965, 9263050, 12463325, 12579950, 12968270, 17611930, 24926650, 32420675, 44029825, 57616171, 64841350, 88059650, 115232342, 288080855, 403313197, 576161710, 806626394, 1440404275, 2016565985, 2880808550, 4033131970, 10082829925, 20165659850]

約数ペア:

[(1, 20165659850), (2, 10082829925), (5, 4033131970), (7, 2880808550), (10, 2016565985), (14, 1440404275), (25, 806626394), (35, 576161710), (50, 403313197), (70, 288080855), (175, 115232342), (229, 88059650), (311, 64841350), (350, 57616171), (458, 44029825), (622, 32420675), (809, 24926650), (1145, 17611930), (1555, 12968270), (1603, 12579950), (1618, 12463325), (2177, 9263050), (2290, 8805965), (3110, 6484135), (3206, 6289975), (4045, 4985330), (4354, 4631525), (5663, 3560950), (5725, 3522386), (7775, 2593654), (8015, 2515990), (8090, 2492665), (10885, 1852610), (11326, 1780475), (11450, 1761193), (15550, 1296827), (16030, 1257995), (20225, 997066), (21770, 926305), (28315, 712190), (40075, 503198), (40450, 498533), (54425, 370522), (56630, 356095), (71219, 283150), (80150, 251599), (108850, 185261), (141575, 142438)]