20423013660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{67819}}^1$

素因数の和:68080

約数の個数: 144

約数和(自身を含む): 71097062400

約数和(自身を除く): 50674048740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 239, 252, 315, 420, 478, 630, 717, 956, 1195, 1260, 1434, 1673, 2151, 2390, 2868, 3346, 3585, 4302, 4780, 5019, 6692, 7170, 8365, 8604, 10038, 10755, 14340, 15057, 16730, 20076, 21510, 25095, 30114, 33460, 43020, 50190, 60228, 67819, 75285, 100380, 135638, 150570, 203457, 271276, 301140, 339095, 406914, 474733, 610371, 678190, 813828, 949466, 1017285, 1220742, 1356380, 1424199, 1898932, 2034570, 2373665, 2441484, 2848398, 3051855, 4069140, 4272597, 4747330, 5696796, 6103710, 7120995, 8545194, 9494660, 12207420, 14241990, 16208741, 17090388, 21362985, 28483980, 32417482, 42725970, 48626223, 64834964, 81043705, 85451940, 97252446, 113461187, 145878669, 162087410, 194504892, 226922374, 243131115, 291757338, 324174820, 340383561, 453844748, 486262230, 567305935, 583514676, 680767122, 729393345, 972524460, 1021150683, 1134611870, 1361534244, 1458786690, 1701917805, 2042301366, 2269223740, 2917573380, 3403835610, 4084602732, 5105753415, 6807671220, 10211506830, 20423013660]

約数ペア:

[(1, 20423013660), (2, 10211506830), (3, 6807671220), (4, 5105753415), (5, 4084602732), (6, 3403835610), (7, 2917573380), (9, 2269223740), (10, 2042301366), (12, 1701917805), (14, 1458786690), (15, 1361534244), (18, 1134611870), (20, 1021150683), (21, 972524460), (28, 729393345), (30, 680767122), (35, 583514676), (36, 567305935), (42, 486262230), (45, 453844748), (60, 340383561), (63, 324174820), (70, 291757338), (84, 243131115), (90, 226922374), (105, 194504892), (126, 162087410), (140, 145878669), (180, 113461187), (210, 97252446), (239, 85451940), (252, 81043705), (315, 64834964), (420, 48626223), (478, 42725970), (630, 32417482), (717, 28483980), (956, 21362985), (1195, 17090388), (1260, 16208741), (1434, 14241990), (1673, 12207420), (2151, 9494660), (2390, 8545194), (2868, 7120995), (3346, 6103710), (3585, 5696796), (4302, 4747330), (4780, 4272597), (5019, 4069140), (6692, 3051855), (7170, 2848398), (8365, 2441484), (8604, 2373665), (10038, 2034570), (10755, 1898932), (14340, 1424199), (15057, 1356380), (16730, 1220742), (20076, 1017285), (21510, 949466), (25095, 813828), (30114, 678190), (33460, 610371), (43020, 474733), (50190, 406914), (60228, 339095), (67819, 301140), (75285, 271276), (100380, 203457), (135638, 150570)]