20229760

素因数分解:

$2^7\times 5^1\times {\mathrm{73}}^1\times {\mathrm{433}}^1$

素因数の和:525

約数の個数: 64

約数和(自身を含む): 49137480

約数和(自身を除く): 28907720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 160, 292, 320, 365, 433, 584, 640, 730, 866, 1168, 1460, 1732, 2165, 2336, 2920, 3464, 4330, 4672, 5840, 6928, 8660, 9344, 11680, 13856, 17320, 23360, 27712, 31609, 34640, 46720, 55424, 63218, 69280, 126436, 138560, 158045, 252872, 277120, 316090, 505744, 632180, 1011488, 1264360, 2022976, 2528720, 4045952, 5057440, 10114880, 20229760]

約数ペア:

[(1, 20229760), (2, 10114880), (4, 5057440), (5, 4045952), (8, 2528720), (10, 2022976), (16, 1264360), (20, 1011488), (32, 632180), (40, 505744), (64, 316090), (73, 277120), (80, 252872), (128, 158045), (146, 138560), (160, 126436), (292, 69280), (320, 63218), (365, 55424), (433, 46720), (584, 34640), (640, 31609), (730, 27712), (866, 23360), (1168, 17320), (1460, 13856), (1732, 11680), (2165, 9344), (2336, 8660), (2920, 6928), (3464, 5840), (4330, 4672)]