20216979224

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{673}}^1\times {\mathrm{1307}}^1$

素因数の和:2029

約数の個数: 96

約数和(自身を含む): 43559460720

約数和(自身を除く): 23342481496

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 169, 221, 338, 442, 673, 676, 884, 1307, 1346, 1352, 1768, 2614, 2692, 2873, 5228, 5384, 5746, 8749, 10456, 11441, 11492, 16991, 17498, 22219, 22882, 22984, 33982, 34996, 44438, 45764, 67964, 69992, 88876, 91528, 113737, 135928, 148733, 177752, 220883, 227474, 288847, 297466, 441766, 454948, 577694, 594932, 879611, 883532, 909896, 1155388, 1189864, 1759222, 1767064, 1933529, 2310776, 3518444, 3755011, 3867058, 7036888, 7510022, 7734116, 11434943, 14953387, 15020044, 15468232, 22869886, 29906774, 30040088, 45739772, 59813548, 91479544, 119627096, 148654259, 194394031, 297308518, 388788062, 594617036, 777576124, 1189234072, 1555152248, 2527122403, 5054244806, 10108489612, 20216979224]

約数ペア:

[(1, 20216979224), (2, 10108489612), (4, 5054244806), (8, 2527122403), (13, 1555152248), (17, 1189234072), (26, 777576124), (34, 594617036), (52, 388788062), (68, 297308518), (104, 194394031), (136, 148654259), (169, 119627096), (221, 91479544), (338, 59813548), (442, 45739772), (673, 30040088), (676, 29906774), (884, 22869886), (1307, 15468232), (1346, 15020044), (1352, 14953387), (1768, 11434943), (2614, 7734116), (2692, 7510022), (2873, 7036888), (5228, 3867058), (5384, 3755011), (5746, 3518444), (8749, 2310776), (10456, 1933529), (11441, 1767064), (11492, 1759222), (16991, 1189864), (17498, 1155388), (22219, 909896), (22882, 883532), (22984, 879611), (33982, 594932), (34996, 577694), (44438, 454948), (45764, 441766), (67964, 297466), (69992, 288847), (88876, 227474), (91528, 220883), (113737, 177752), (135928, 148733)]