20808821916

素因数分解:

$2^2\times 3^5\times {\mathrm{17}}^2\times {\mathrm{74077}}^1$

素因数の和:74130

約数の個数: 108

約数和(自身を含む): 57946478408

約数和(自身を除く): 37137656492

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 81, 102, 108, 153, 162, 204, 243, 289, 306, 324, 459, 486, 578, 612, 867, 918, 972, 1156, 1377, 1734, 1836, 2601, 2754, 3468, 4131, 5202, 5508, 7803, 8262, 10404, 15606, 16524, 23409, 31212, 46818, 70227, 74077, 93636, 140454, 148154, 222231, 280908, 296308, 444462, 666693, 888924, 1259309, 1333386, 2000079, 2518618, 2666772, 3777927, 4000158, 5037236, 6000237, 7555854, 8000316, 11333781, 12000474, 15111708, 18000711, 21408253, 22667562, 24000948, 34001343, 36001422, 42816506, 45335124, 64224759, 68002686, 72002844, 85633012, 102004029, 128449518, 136005372, 192674277, 204008058, 256899036, 306012087, 385348554, 408016116, 578022831, 612024174, 770697108, 1156045662, 1224048348, 1734068493, 2312091324, 3468136986, 5202205479, 6936273972, 10404410958, 20808821916]

約数ペア:

[(1, 20808821916), (2, 10404410958), (3, 6936273972), (4, 5202205479), (6, 3468136986), (9, 2312091324), (12, 1734068493), (17, 1224048348), (18, 1156045662), (27, 770697108), (34, 612024174), (36, 578022831), (51, 408016116), (54, 385348554), (68, 306012087), (81, 256899036), (102, 204008058), (108, 192674277), (153, 136005372), (162, 128449518), (204, 102004029), (243, 85633012), (289, 72002844), (306, 68002686), (324, 64224759), (459, 45335124), (486, 42816506), (578, 36001422), (612, 34001343), (867, 24000948), (918, 22667562), (972, 21408253), (1156, 18000711), (1377, 15111708), (1734, 12000474), (1836, 11333781), (2601, 8000316), (2754, 7555854), (3468, 6000237), (4131, 5037236), (5202, 4000158), (5508, 3777927), (7803, 2666772), (8262, 2518618), (10404, 2000079), (15606, 1333386), (16524, 1259309), (23409, 888924), (31212, 666693), (46818, 444462), (70227, 296308), (74077, 280908), (93636, 222231), (140454, 148154)]