20197371720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5429401}}^1$

素因数の和:5429446

約数の個数: 64

約数和(自身を含む): 62546711040

約数和(自身を除く): 42349339320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 5429401, 10858802, 16288203, 21717604, 27147005, 32576406, 43435208, 54294010, 65152812, 81441015, 108588020, 130305624, 162882030, 168311431, 217176040, 325764060, 336622862, 504934293, 651528120, 673245724, 841557155, 1009868586, 1346491448, 1683114310, 2019737172, 2524671465, 3366228620, 4039474344, 5049342930, 6732457240, 10098685860, 20197371720]

約数ペア:

[(1, 20197371720), (2, 10098685860), (3, 6732457240), (4, 5049342930), (5, 4039474344), (6, 3366228620), (8, 2524671465), (10, 2019737172), (12, 1683114310), (15, 1346491448), (20, 1009868586), (24, 841557155), (30, 673245724), (31, 651528120), (40, 504934293), (60, 336622862), (62, 325764060), (93, 217176040), (120, 168311431), (124, 162882030), (155, 130305624), (186, 108588020), (248, 81441015), (310, 65152812), (372, 54294010), (465, 43435208), (620, 32576406), (744, 27147005), (930, 21717604), (1240, 16288203), (1860, 10858802), (3720, 5429401)]