20895999040

素因数分解:

$2^6\times 5^1\times 7^4\times {\mathrm{27197}}^1$

素因数の和:27242

約数の個数: 140

約数和(自身を含む): 58050377676

約数和(自身を除く): 37154378636

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 343, 392, 448, 490, 560, 686, 784, 980, 1120, 1372, 1568, 1715, 1960, 2240, 2401, 2744, 3136, 3430, 3920, 4802, 5488, 6860, 7840, 9604, 10976, 12005, 13720, 15680, 19208, 21952, 24010, 27197, 27440, 38416, 48020, 54394, 54880, 76832, 96040, 108788, 109760, 135985, 153664, 190379, 192080, 217576, 271970, 380758, 384160, 435152, 543940, 761516, 768320, 870304, 951895, 1087880, 1332653, 1523032, 1740608, 1903790, 2175760, 2665306, 3046064, 3807580, 4351520, 5330612, 6092128, 6663265, 7615160, 8703040, 9328571, 10661224, 12184256, 13326530, 15230320, 18657142, 21322448, 26653060, 30460640, 37314284, 42644896, 46642855, 53306120, 60921280, 65299997, 74628568, 85289792, 93285710, 106612240, 130599994, 149257136, 186571420, 213224480, 261199988, 298514272, 326499985, 373142840, 426448960, 522399976, 597028544, 652999970, 746285680, 1044799952, 1305999940, 1492571360, 2089599904, 2611999880, 2985142720, 4179199808, 5223999760, 10447999520, 20895999040]

約数ペア:

[(1, 20895999040), (2, 10447999520), (4, 5223999760), (5, 4179199808), (7, 2985142720), (8, 2611999880), (10, 2089599904), (14, 1492571360), (16, 1305999940), (20, 1044799952), (28, 746285680), (32, 652999970), (35, 597028544), (40, 522399976), (49, 426448960), (56, 373142840), (64, 326499985), (70, 298514272), (80, 261199988), (98, 213224480), (112, 186571420), (140, 149257136), (160, 130599994), (196, 106612240), (224, 93285710), (245, 85289792), (280, 74628568), (320, 65299997), (343, 60921280), (392, 53306120), (448, 46642855), (490, 42644896), (560, 37314284), (686, 30460640), (784, 26653060), (980, 21322448), (1120, 18657142), (1372, 15230320), (1568, 13326530), (1715, 12184256), (1960, 10661224), (2240, 9328571), (2401, 8703040), (2744, 7615160), (3136, 6663265), (3430, 6092128), (3920, 5330612), (4802, 4351520), (5488, 3807580), (6860, 3046064), (7840, 2665306), (9604, 2175760), (10976, 1903790), (12005, 1740608), (13720, 1523032), (15680, 1332653), (19208, 1087880), (21952, 951895), (24010, 870304), (27197, 768320), (27440, 761516), (38416, 543940), (48020, 435152), (54394, 384160), (54880, 380758), (76832, 271970), (96040, 217576), (108788, 192080), (109760, 190379), (135985, 153664)]