20742600

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:391

約数の個数: 96

約数和(自身を含む): 64995840

約数和(自身を除く): 44253240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 150, 181, 191, 200, 300, 362, 382, 543, 573, 600, 724, 764, 905, 955, 1086, 1146, 1448, 1528, 1810, 1910, 2172, 2292, 2715, 2865, 3620, 3820, 4344, 4525, 4584, 4775, 5430, 5730, 7240, 7640, 9050, 9550, 10860, 11460, 13575, 14325, 18100, 19100, 21720, 22920, 27150, 28650, 34571, 36200, 38200, 54300, 57300, 69142, 103713, 108600, 114600, 138284, 172855, 207426, 276568, 345710, 414852, 518565, 691420, 829704, 864275, 1037130, 1382840, 1728550, 2074260, 2592825, 3457100, 4148520, 5185650, 6914200, 10371300, 20742600]

約数ペア:

[(1, 20742600), (2, 10371300), (3, 6914200), (4, 5185650), (5, 4148520), (6, 3457100), (8, 2592825), (10, 2074260), (12, 1728550), (15, 1382840), (20, 1037130), (24, 864275), (25, 829704), (30, 691420), (40, 518565), (50, 414852), (60, 345710), (75, 276568), (100, 207426), (120, 172855), (150, 138284), (181, 114600), (191, 108600), (200, 103713), (300, 69142), (362, 57300), (382, 54300), (543, 38200), (573, 36200), (600, 34571), (724, 28650), (764, 27150), (905, 22920), (955, 21720), (1086, 19100), (1146, 18100), (1448, 14325), (1528, 13575), (1810, 11460), (1910, 10860), (2172, 9550), (2292, 9050), (2715, 7640), (2865, 7240), (3620, 5730), (3820, 5430), (4344, 4775), (4525, 4584)]