20871000

素因数分解:

$2^3\times 3^3\times 5^3\times {\mathrm{773}}^1$

素因数の和:803

約数の個数: 128

約数和(自身を含む): 72446400

約数和(自身を除く): 51575400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 72, 75, 90, 100, 108, 120, 125, 135, 150, 180, 200, 216, 225, 250, 270, 300, 360, 375, 450, 500, 540, 600, 675, 750, 773, 900, 1000, 1080, 1125, 1350, 1500, 1546, 1800, 2250, 2319, 2700, 3000, 3092, 3375, 3865, 4500, 4638, 5400, 6184, 6750, 6957, 7730, 9000, 9276, 11595, 13500, 13914, 15460, 18552, 19325, 20871, 23190, 27000, 27828, 30920, 34785, 38650, 41742, 46380, 55656, 57975, 69570, 77300, 83484, 92760, 96625, 104355, 115950, 139140, 154600, 166968, 173925, 193250, 208710, 231900, 278280, 289875, 347850, 386500, 417420, 463800, 521775, 579750, 695700, 773000, 834840, 869625, 1043550, 1159500, 1391400, 1739250, 2087100, 2319000, 2608875, 3478500, 4174200, 5217750, 6957000, 10435500, 20871000]

約数ペア:

[(1, 20871000), (2, 10435500), (3, 6957000), (4, 5217750), (5, 4174200), (6, 3478500), (8, 2608875), (9, 2319000), (10, 2087100), (12, 1739250), (15, 1391400), (18, 1159500), (20, 1043550), (24, 869625), (25, 834840), (27, 773000), (30, 695700), (36, 579750), (40, 521775), (45, 463800), (50, 417420), (54, 386500), (60, 347850), (72, 289875), (75, 278280), (90, 231900), (100, 208710), (108, 193250), (120, 173925), (125, 166968), (135, 154600), (150, 139140), (180, 115950), (200, 104355), (216, 96625), (225, 92760), (250, 83484), (270, 77300), (300, 69570), (360, 57975), (375, 55656), (450, 46380), (500, 41742), (540, 38650), (600, 34785), (675, 30920), (750, 27828), (773, 27000), (900, 23190), (1000, 20871), (1080, 19325), (1125, 18552), (1350, 15460), (1500, 13914), (1546, 13500), (1800, 11595), (2250, 9276), (2319, 9000), (2700, 7730), (3000, 6957), (3092, 6750), (3375, 6184), (3865, 5400), (4500, 4638)]