20323600

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:209

約数の個数: 120

約数和(自身を含む): 55353600

約数和(自身を除く): 35030000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 31, 40, 44, 50, 55, 62, 80, 88, 100, 110, 124, 149, 155, 176, 200, 220, 248, 275, 298, 310, 341, 400, 440, 496, 550, 596, 620, 682, 745, 775, 880, 1100, 1192, 1240, 1364, 1490, 1550, 1639, 1705, 2200, 2384, 2480, 2728, 2980, 3100, 3278, 3410, 3725, 4400, 4619, 5456, 5960, 6200, 6556, 6820, 7450, 8195, 8525, 9238, 11920, 12400, 13112, 13640, 14900, 16390, 17050, 18476, 23095, 26224, 27280, 29800, 32780, 34100, 36952, 40975, 46190, 50809, 59600, 65560, 68200, 73904, 81950, 92380, 101618, 115475, 131120, 136400, 163900, 184760, 203236, 230950, 254045, 327800, 369520, 406472, 461900, 508090, 655600, 812944, 923800, 1016180, 1270225, 1847600, 2032360, 2540450, 4064720, 5080900, 10161800, 20323600]

約数ペア:

[(1, 20323600), (2, 10161800), (4, 5080900), (5, 4064720), (8, 2540450), (10, 2032360), (11, 1847600), (16, 1270225), (20, 1016180), (22, 923800), (25, 812944), (31, 655600), (40, 508090), (44, 461900), (50, 406472), (55, 369520), (62, 327800), (80, 254045), (88, 230950), (100, 203236), (110, 184760), (124, 163900), (149, 136400), (155, 131120), (176, 115475), (200, 101618), (220, 92380), (248, 81950), (275, 73904), (298, 68200), (310, 65560), (341, 59600), (400, 50809), (440, 46190), (496, 40975), (550, 36952), (596, 34100), (620, 32780), (682, 29800), (745, 27280), (775, 26224), (880, 23095), (1100, 18476), (1192, 17050), (1240, 16390), (1364, 14900), (1490, 13640), (1550, 13112), (1639, 12400), (1705, 11920), (2200, 9238), (2384, 8525), (2480, 8195), (2728, 7450), (2980, 6820), (3100, 6556), (3278, 6200), (3410, 5960), (3725, 5456), (4400, 4619)]