20360320

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1097}}^1$

素因数の和:1145

約数の個数: 64

約数和(自身を含む): 50398200

約数和(自身を除く): 30037880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 290, 320, 464, 580, 640, 928, 1097, 1160, 1856, 2194, 2320, 3712, 4388, 4640, 5485, 8776, 9280, 10970, 17552, 18560, 21940, 31813, 35104, 43880, 63626, 70208, 87760, 127252, 140416, 159065, 175520, 254504, 318130, 351040, 509008, 636260, 702080, 1018016, 1272520, 2036032, 2545040, 4072064, 5090080, 10180160, 20360320]

約数ペア:

[(1, 20360320), (2, 10180160), (4, 5090080), (5, 4072064), (8, 2545040), (10, 2036032), (16, 1272520), (20, 1018016), (29, 702080), (32, 636260), (40, 509008), (58, 351040), (64, 318130), (80, 254504), (116, 175520), (128, 159065), (145, 140416), (160, 127252), (232, 87760), (290, 70208), (320, 63626), (464, 43880), (580, 35104), (640, 31813), (928, 21940), (1097, 18560), (1160, 17552), (1856, 10970), (2194, 9280), (2320, 8776), (3712, 5485), (4388, 4640)]