20639400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{839}}^1$

素因数の和:899

約数の個数: 96

約数和(自身を含む): 65620800

約数和(自身を除く): 44981400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 41, 50, 60, 75, 82, 100, 120, 123, 150, 164, 200, 205, 246, 300, 328, 410, 492, 600, 615, 820, 839, 984, 1025, 1230, 1640, 1678, 2050, 2460, 2517, 3075, 3356, 4100, 4195, 4920, 5034, 6150, 6712, 8200, 8390, 10068, 12300, 12585, 16780, 20136, 20975, 24600, 25170, 33560, 34399, 41950, 50340, 62925, 68798, 83900, 100680, 103197, 125850, 137596, 167800, 171995, 206394, 251700, 275192, 343990, 412788, 503400, 515985, 687980, 825576, 859975, 1031970, 1375960, 1719950, 2063940, 2579925, 3439900, 4127880, 5159850, 6879800, 10319700, 20639400]

約数ペア:

[(1, 20639400), (2, 10319700), (3, 6879800), (4, 5159850), (5, 4127880), (6, 3439900), (8, 2579925), (10, 2063940), (12, 1719950), (15, 1375960), (20, 1031970), (24, 859975), (25, 825576), (30, 687980), (40, 515985), (41, 503400), (50, 412788), (60, 343990), (75, 275192), (82, 251700), (100, 206394), (120, 171995), (123, 167800), (150, 137596), (164, 125850), (200, 103197), (205, 100680), (246, 83900), (300, 68798), (328, 62925), (410, 50340), (492, 41950), (600, 34399), (615, 33560), (820, 25170), (839, 24600), (984, 20975), (1025, 20136), (1230, 16780), (1640, 12585), (1678, 12300), (2050, 10068), (2460, 8390), (2517, 8200), (3075, 6712), (3356, 6150), (4100, 5034), (4195, 4920)]