20797834500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{1303}}^1\times {\mathrm{3547}}^1$

素因数の和:4875

約数の個数: 144

約数和(自身を含む): 65679100032

約数和(自身を除く): 44881265532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1303, 1500, 2250, 2606, 3547, 3909, 4500, 5212, 6515, 7094, 7818, 10641, 11727, 13030, 14188, 15636, 17735, 19545, 21282, 23454, 26060, 31923, 32575, 35470, 39090, 42564, 46908, 53205, 58635, 63846, 65150, 70940, 78180, 88675, 97725, 106410, 117270, 127692, 130300, 159615, 162875, 177350, 195450, 212820, 234540, 266025, 293175, 319230, 325750, 354700, 390900, 443375, 488625, 532050, 586350, 638460, 651500, 798075, 886750, 977250, 1064100, 1172700, 1330125, 1465875, 1596150, 1773500, 1954500, 2660250, 2931750, 3192300, 3990375, 4621741, 5320500, 5863500, 7980750, 9243482, 13865223, 15961500, 18486964, 23108705, 27730446, 41595669, 46217410, 55460892, 69326115, 83191338, 92434820, 115543525, 138652230, 166382676, 207978345, 231087050, 277304460, 346630575, 415956690, 462174100, 577717625, 693261150, 831913380, 1039891725, 1155435250, 1386522300, 1733152875, 2079783450, 2310870500, 3466305750, 4159566900, 5199458625, 6932611500, 10398917250, 20797834500]

約数ペア:

[(1, 20797834500), (2, 10398917250), (3, 6932611500), (4, 5199458625), (5, 4159566900), (6, 3466305750), (9, 2310870500), (10, 2079783450), (12, 1733152875), (15, 1386522300), (18, 1155435250), (20, 1039891725), (25, 831913380), (30, 693261150), (36, 577717625), (45, 462174100), (50, 415956690), (60, 346630575), (75, 277304460), (90, 231087050), (100, 207978345), (125, 166382676), (150, 138652230), (180, 115543525), (225, 92434820), (250, 83191338), (300, 69326115), (375, 55460892), (450, 46217410), (500, 41595669), (750, 27730446), (900, 23108705), (1125, 18486964), (1303, 15961500), (1500, 13865223), (2250, 9243482), (2606, 7980750), (3547, 5863500), (3909, 5320500), (4500, 4621741), (5212, 3990375), (6515, 3192300), (7094, 2931750), (7818, 2660250), (10641, 1954500), (11727, 1773500), (13030, 1596150), (14188, 1465875), (15636, 1330125), (17735, 1172700), (19545, 1064100), (21282, 977250), (23454, 886750), (26060, 798075), (31923, 651500), (32575, 638460), (35470, 586350), (39090, 532050), (42564, 488625), (46908, 443375), (53205, 390900), (58635, 354700), (63846, 325750), (65150, 319230), (70940, 293175), (78180, 266025), (88675, 234540), (97725, 212820), (106410, 195450), (117270, 177350), (127692, 162875), (130300, 159615)]