20482380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:200

約数の個数: 144

約数和(自身を含む): 67223520

約数和(自身を除く): 46741140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 53, 57, 60, 76, 90, 95, 106, 113, 114, 159, 171, 180, 190, 212, 226, 228, 265, 285, 318, 339, 342, 380, 452, 477, 530, 565, 570, 636, 678, 684, 795, 855, 954, 1007, 1017, 1060, 1130, 1140, 1356, 1590, 1695, 1710, 1908, 2014, 2034, 2147, 2260, 2385, 3021, 3180, 3390, 3420, 4028, 4068, 4294, 4770, 5035, 5085, 5989, 6042, 6441, 6780, 8588, 9063, 9540, 10070, 10170, 10735, 11978, 12084, 12882, 15105, 17967, 18126, 19323, 20140, 20340, 21470, 23956, 25764, 29945, 30210, 32205, 35934, 36252, 38646, 42940, 45315, 53901, 59890, 60420, 64410, 71868, 77292, 89835, 90630, 96615, 107802, 113791, 119780, 128820, 179670, 181260, 193230, 215604, 227582, 269505, 341373, 359340, 386460, 455164, 539010, 568955, 682746, 1024119, 1078020, 1137910, 1365492, 1706865, 2048238, 2275820, 3413730, 4096476, 5120595, 6827460, 10241190, 20482380]

約数ペア:

[(1, 20482380), (2, 10241190), (3, 6827460), (4, 5120595), (5, 4096476), (6, 3413730), (9, 2275820), (10, 2048238), (12, 1706865), (15, 1365492), (18, 1137910), (19, 1078020), (20, 1024119), (30, 682746), (36, 568955), (38, 539010), (45, 455164), (53, 386460), (57, 359340), (60, 341373), (76, 269505), (90, 227582), (95, 215604), (106, 193230), (113, 181260), (114, 179670), (159, 128820), (171, 119780), (180, 113791), (190, 107802), (212, 96615), (226, 90630), (228, 89835), (265, 77292), (285, 71868), (318, 64410), (339, 60420), (342, 59890), (380, 53901), (452, 45315), (477, 42940), (530, 38646), (565, 36252), (570, 35934), (636, 32205), (678, 30210), (684, 29945), (795, 25764), (855, 23956), (954, 21470), (1007, 20340), (1017, 20140), (1060, 19323), (1130, 18126), (1140, 17967), (1356, 15105), (1590, 12882), (1695, 12084), (1710, 11978), (1908, 10735), (2014, 10170), (2034, 10070), (2147, 9540), (2260, 9063), (2385, 8588), (3021, 6780), (3180, 6441), (3390, 6042), (3420, 5989), (4028, 5085), (4068, 5035), (4294, 4770)]