20545452

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{569}}^1$

素因数の和:655

約数の個数: 72

約数和(自身を含む): 56019600

約数和(自身を除く): 35474148

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 59, 68, 102, 118, 153, 177, 204, 236, 306, 354, 531, 569, 612, 708, 1003, 1062, 1138, 1707, 2006, 2124, 2276, 3009, 3414, 4012, 5121, 6018, 6828, 9027, 9673, 10242, 12036, 18054, 19346, 20484, 29019, 33571, 36108, 38692, 58038, 67142, 87057, 100713, 116076, 134284, 174114, 201426, 302139, 348228, 402852, 570707, 604278, 1141414, 1208556, 1712121, 2282828, 3424242, 5136363, 6848484, 10272726, 20545452]

約数ペア:

[(1, 20545452), (2, 10272726), (3, 6848484), (4, 5136363), (6, 3424242), (9, 2282828), (12, 1712121), (17, 1208556), (18, 1141414), (34, 604278), (36, 570707), (51, 402852), (59, 348228), (68, 302139), (102, 201426), (118, 174114), (153, 134284), (177, 116076), (204, 100713), (236, 87057), (306, 67142), (354, 58038), (531, 38692), (569, 36108), (612, 33571), (708, 29019), (1003, 20484), (1062, 19346), (1138, 18054), (1707, 12036), (2006, 10242), (2124, 9673), (2276, 9027), (3009, 6828), (3414, 6018), (4012, 5121)]