20234065640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2003}}^1\times {\mathrm{3557}}^1$

素因数の和:5642

約数の個数: 64

約数和(自身を含む): 46203903360

約数和(自身を除く): 25969837720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2003, 2840, 3557, 4006, 7114, 8012, 10015, 14228, 16024, 17785, 20030, 28456, 35570, 40060, 71140, 80120, 142213, 142280, 252547, 284426, 505094, 568852, 711065, 1010188, 1137704, 1262735, 1422130, 2020376, 2525470, 2844260, 5050940, 5688520, 7124671, 10101880, 14249342, 28498684, 35623355, 56997368, 71246710, 142493420, 284986840, 505851641, 1011703282, 2023406564, 2529258205, 4046813128, 5058516410, 10117032820, 20234065640]

約数ペア:

[(1, 20234065640), (2, 10117032820), (4, 5058516410), (5, 4046813128), (8, 2529258205), (10, 2023406564), (20, 1011703282), (40, 505851641), (71, 284986840), (142, 142493420), (284, 71246710), (355, 56997368), (568, 35623355), (710, 28498684), (1420, 14249342), (2003, 10101880), (2840, 7124671), (3557, 5688520), (4006, 5050940), (7114, 2844260), (8012, 2525470), (10015, 2020376), (14228, 1422130), (16024, 1262735), (17785, 1137704), (20030, 1010188), (28456, 711065), (35570, 568852), (40060, 505094), (71140, 284426), (80120, 252547), (142213, 142280)]