20164950

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{383}}^1$

素因数の和:420

約数の個数: 120

約数和(自身を含む): 60496128

約数和(自身を除く): 40331178

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 27, 30, 39, 45, 50, 54, 65, 75, 78, 81, 90, 117, 130, 135, 150, 162, 195, 225, 234, 270, 325, 351, 383, 390, 405, 450, 585, 650, 675, 702, 766, 810, 975, 1053, 1149, 1170, 1350, 1755, 1915, 1950, 2025, 2106, 2298, 2925, 3447, 3510, 3830, 4050, 4979, 5265, 5745, 5850, 6894, 8775, 9575, 9958, 10341, 10530, 11490, 14937, 17235, 17550, 19150, 20682, 24895, 26325, 28725, 29874, 31023, 34470, 44811, 49790, 51705, 52650, 57450, 62046, 74685, 86175, 89622, 103410, 124475, 134433, 149370, 155115, 172350, 224055, 248950, 258525, 268866, 310230, 373425, 403299, 448110, 517050, 672165, 746850, 775575, 806598, 1120275, 1344330, 1551150, 2016495, 2240550, 3360825, 4032990, 6721650, 10082475, 20164950]

約数ペア:

[(1, 20164950), (2, 10082475), (3, 6721650), (5, 4032990), (6, 3360825), (9, 2240550), (10, 2016495), (13, 1551150), (15, 1344330), (18, 1120275), (25, 806598), (26, 775575), (27, 746850), (30, 672165), (39, 517050), (45, 448110), (50, 403299), (54, 373425), (65, 310230), (75, 268866), (78, 258525), (81, 248950), (90, 224055), (117, 172350), (130, 155115), (135, 149370), (150, 134433), (162, 124475), (195, 103410), (225, 89622), (234, 86175), (270, 74685), (325, 62046), (351, 57450), (383, 52650), (390, 51705), (405, 49790), (450, 44811), (585, 34470), (650, 31023), (675, 29874), (702, 28725), (766, 26325), (810, 24895), (975, 20682), (1053, 19150), (1149, 17550), (1170, 17235), (1350, 14937), (1755, 11490), (1915, 10530), (1950, 10341), (2025, 9958), (2106, 9575), (2298, 8775), (2925, 6894), (3447, 5850), (3510, 5745), (3830, 5265), (4050, 4979)]